{"id":13460,"date":"2026-04-14T14:10:41","date_gmt":"2026-04-14T12:10:41","guid":{"rendered":"https:\/\/www.blogseite.com\/quiz\/?p=13460"},"modified":"2026-04-10T14:10:47","modified_gmt":"2026-04-10T12:10:47","slug":"formaldehyd","status":"publish","type":"post","link":"https:\/\/www.blogseite.com\/quiz\/formaldehyd\/","title":{"rendered":"Quiz \u00fcber Formaldehyd"},"content":{"rendered":"<figure><\/figure>\n\n    <div id=\"donut-timer-flybutton\" class=\"donut-timer\">\n    <svg class=\"donut-svg\" viewBox=\"0 0 36 36\">\n        <circle class=\"donut-ring\" cx=\"18\" cy=\"18\" r=\"16\" fill=\"none\" stroke=\"#f0f0f0\" stroke-width=\"2\"><\/circle>\n        <circle class=\"donut-segment\" cx=\"18\" cy=\"18\" r=\"16\" fill=\"none\" stroke=\"#4CAF50\" stroke-width=\"2\" \n                stroke-dasharray=\"0 100\" stroke-linecap=\"round\"><\/circle>\n    <\/svg>\n    <span class=\"donut-time\">0s<\/span>\n<\/div>\n    <div class=\"quiz-container\">\n        <div id=\"leaderboard-container\">\n            \n<!-- WP QUADS v. 3.0.2  Shortcode Ad -->\n<div class=\"quads-location quads-ad3204\" id=\"quads-ad3204\" style=\"float:none;margin:100px;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6493352997822853\"\n     crossorigin=\"anonymous\"><\/script>\n<!-- Displayanzeigenblock2 -->\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-6493352997822853\"\n     data-ad-slot=\"7559083288\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/div>\n            <p><a href=\"https:\/\/www.blogseite.com\/quiz\/es\/\">Es<\/a> gibt noch keine Spieler im Leaderboard f\u00fcr dieses Quiz.<\/p>        <\/div>\n        <br>\n       <div class=\"quiz-question\" id=\"question-0\" data-index=\"0\" \n         >\n        <p><strong>Was ist die chemische Summenformel von Formaldehyd?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    >\n                CH2O            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    >\n                C2H4O            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    >\n                CH4O            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    >\n                C2H2O            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-1\" data-index=\"1\" \n         class=\"disabled\">\n        <p><strong>Was ist die molare Masse von Formaldehyd (gerundet)?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                20 g\/mol            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                30 g\/mol            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                40 g\/mol            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                50 g\/mol            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-2\" data-index=\"2\" \n         class=\"disabled\">\n        <p><strong>Welche Farbe hat gasfoermiges Formaldehyd?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Gelb            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Blau            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Farblos            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Gruen            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-3\" data-index=\"3\" \n         class=\"disabled\">\n        <p><strong>Bei welcher Temperatur siedet Formaldehyd?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                0\u00b0C            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                -10\u00b0C            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                -15\u00b0C            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                -19\u00b0C            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-4\" data-index=\"4\" \n         class=\"disabled\">\n        <p><strong>Welchen Aggregatzustand hat Formaldehyd bei Raumtemperatur?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                Gasfoermig            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                Fluessig            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                Fest            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                Plasma            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-5\" data-index=\"5\" \n         class=\"disabled\">\n        <p><strong>Zu welcher Stoffklasse gehoert Formaldehyd?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Alkohole            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                Aldehyde            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                Ketone            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Carbonsaeuren            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-6\" data-index=\"6\" \n         class=\"disabled\">\n        <p><strong>Wie viele Kohlenstoffatome hat ein Formaldehyd-Molekuel?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Null            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Zwei            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Eins            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Drei            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-7\" data-index=\"7\" \n         class=\"disabled\">\n        <p><strong>Wie wird Formaldehyd industriell hauptsaechlich hergestellt?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                Durch Gaerung            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                Durch Oxidation von Methanol            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                Durch Elektrolyse            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                Aus Erdgas direkt            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-8\" data-index=\"8\" \n         class=\"disabled\">\n        <p><strong>Welche funktionelle Gruppe charakterisiert Formaldehyd?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                Aldehydgruppe (-CHO)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                Hydroxylgruppe            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                Carboxylgruppe            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                Aminogruppe            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-9\" data-index=\"9\" \n         class=\"disabled\">\n        <p><strong>Wie riecht Formaldehyd?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Geruchlos            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                Stechend und reizend            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                Nach <a href=\"https:\/\/www.blogseite.com\/quiz\/mandeln\/\">Mandeln<\/a>            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Suesslich            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-10\" data-index=\"10\" \n         class=\"disabled\">\n        <p><strong>Was entsteht bei der vollstaendigen Verbrennung von Formaldehyd?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Nur CO            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Russ und <a href=\"https:\/\/www.blogseite.com\/quiz\/wie-gut-kennst-du-wasser\/\">Wasser<\/a>            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                CO2 und Wasser            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Nur Wasserdampf            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-11\" data-index=\"11\" \n         class=\"disabled\">\n        <p><strong>Wie loeslich ist Formaldehyd in Wasser?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                Unloeslich            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                Schwer loeslich            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                Maessig loeslich            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                Sehr gut loeslich            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-12\" data-index=\"12\" \n         class=\"disabled\">\n        <p><strong>Wie verhaelt sich die Dichte von Formaldehyd-Gas im Vergleich zu Luft?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                Schwerer als Luft            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                Leichter als Luft            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                Gleich schwer            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                Variiert stark            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-13\" data-index=\"13\" \n         class=\"disabled\">\n        <p><strong>Wofuer wird Formaldehyd industriell hauptsaechlich verwendet?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Als Getraenk            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                Zur Herstellung von Harzen (z.B. Harnstoff-Formaldehyd)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                Als Duengemittel            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Als Farbstoff            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-14\" data-index=\"14\" \n         class=\"disabled\">\n        <p><strong>Wie nennt man die waessrige Loesung von Formaldehyd (~37%)?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Methanol            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                <a href=\"https:\/\/www.blogseite.com\/quiz\/ethanol\/\">Ethanol<\/a>            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Formalin            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                <a href=\"https:\/\/www.blogseite.com\/quiz\/aceton\/\">Aceton<\/a>            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-15\" data-index=\"15\" \n         class=\"disabled\">\n        <p><strong>Warum ist Formaldehyd gesundheitsschaedlich?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                Es ist radioaktiv            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                Es ist aetzend            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                Es ist krebserregend und reizt Atemwege\/Augen            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                Es verursacht nur Allergien            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-16\" data-index=\"16\" \n         class=\"disabled\">\n        <p><strong>Wie lautet der systematische IUPAC-Name von Formaldehyd?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                Methanal            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                Ethanal            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                Propanal            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                Butanal            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-17\" data-index=\"17\" \n         class=\"disabled\">\n        <p><strong>Wofuer wurde Formaldehyd historisch in der <a href=\"https:\/\/www.blogseite.com\/quiz\/medizin\/\">Medizin<\/a> genutzt?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Als Schmerzmittel            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                Zur Konservierung von Gewebeproben (Fixierung)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                Als Antibiotikum            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Als Narkosemittel            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-18\" data-index=\"18\" \n         class=\"disabled\">\n        <p><strong>Was entsteht bei der Polymerisation von Formaldehyd?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Polyethylen            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Paraformaldehyd (festes Polymer)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Polyvinylchlorid            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Polystyrol            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-19\" data-index=\"19\" \n         class=\"disabled\">\n        <p><strong>In welchem Bereich ist Formaldehyd-Luft-Gemisch explosiv?<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                0-2%            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                2-5%            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                5-10%            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                7-73%            <\/button><br>\n                <hr>\n    <\/div>\n\n\n    <\/div>\n    <style>\n  .quiz-container {\n    max-width: 1000px;\n    margin: 30px auto;\n    padding: 20px;\n    box-sizing: border-box;\n    text-align: center;\n}\n\n.quiz-question {\n    margin-bottom: 30px;\n    padding: 10px;\n    box-sizing: border-box;\n}\n\n.quiz-question p {\n    font-size: 25px;\n    margin-bottom: 15px;\n    text-align: center;\n    word-wrap: break-word;\n    color:black;\n}\n\n.quiz-answer {\n    display: block;\n    width: 90%;\n    max-width: 300px;\n    margin: 5px auto; \/* vorher: 10px auto *\/\n    padding: 12px 16px;\n    font-size: 20px;\n    cursor: pointer;\n    border: 1px solid #ccc;\n    border-radius: 8px;\n    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1.3em; color: orange;\">${score}<\/span>\n                <\/div>\n            <\/div>\n            <p style=\"margin-top: 20px; font-size: 19px; color: #444;\">\n                Trage deinen Namen f\u00fcr die Highscore-Liste ein:\n            <\/p>\n            <input style=\"width:80%;font-size:21px\" id=\"swal-input\" class=\"swal2-input\" placeholder=\"Dein Fantasy Name\">\n            <a id=\"whatsapp-share\" href=\"${whatsappURL}\" target=\"_blank\"\n               style=\"display: inline-block; margin-top: 15px; background-color: #25D366; color: white;\n                      padding: 10px 15px; border-radius: 5px; text-decoration: none; font-size: 16px;\">\n                Freunde auf WhatsApp herausfordern\n            <\/a>\n            <a id=\"facebook-share\" href=\"${facebookURL}\" target=\"_blank\"\n               style=\"display: inline-block; margin-top: 10px; background-color: #1877F2; color: white;\n                      padding: 10px 15px; border-radius: 5px; 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0) {\n                let html = '<table style=\"width:100%; border-collapse:collapse; margin-bottom:20px;\">';\n                html += '<thead><tr><th>\ud83d\udc64 Name<\/th><th>\u2b50 Punkte<\/th><th>\u23f1\ufe0f Zeit<\/th><\/tr><\/thead><tbody>';\n                response.data.forEach(entry => {\n                    html += `<tr>\n                        <td>${entry.player_name}<\/td>\n                        <td>${entry.score}<\/td>\n                        <td>${entry.time}<\/td>\n                    <\/tr>`;\n                });\n                html += '<\/tbody><\/table>';\n\n                const leaderboardContainer = document.createElement('div');\n                leaderboardContainer.classList.add('quiz-leaderboard');\n                leaderboardContainer.innerHTML = `\n                    <h2>\ud83c\udfc6 Leaderboard<\/h2>\n                    ${html}\n                    <hr>\n                `;\n\n                const container = document.querySelector('.quiz-container');\n                container.parentNode.appendChild(leaderboardContainer);\n            }\n        });\n    }\n\n    showLeaderboard();\ndocument.addEventListener('DOMContentLoaded', function () {\n    let currentQuestion = 0; \/\/ Start bei der ersten Frage\n    let questions = document.querySelectorAll('.quiz-question'); \/\/ Alle Fragen ausw\u00e4hlen\n\n    \/\/ Event Listener f\u00fcr alle Antwort-Buttons\n    questions.forEach((question, index) => {\n        let buttons = question.querySelectorAll('.quiz-answer');\n        \n        \/\/ Wenn die Frage nicht die erste ist, Buttons deaktivieren\n        if (index > 0) {\n            buttons.forEach(button => {\n                button.disabled = true;\n            });\n        }\n\n        buttons.forEach(button => {\n            button.addEventListener('click', function () {\n                \/\/ Wenn die richtige Antwort ausgew\u00e4hlt wurde\n                let correct = button.getAttribute('data-correct');\n                if (correct) {\n                    \/\/ N\u00e4chste Frage aktivieren\n                    enableNextQuestion(index);\n                }\n            });\n        });\n    });\n\n    \/\/ Funktion, um die n\u00e4chste Frage zu aktivieren\n    function enableNextQuestion(index) {\n        if (index + 1 < questions.length) {\n            let nextQuestion = questions[index + 1];\n            nextQuestion.classList.remove('disabled'); \/\/ N\u00e4chste Frage aktivieren\n            let nextButtons = nextQuestion.querySelectorAll('.quiz-answer');\n            nextButtons.forEach(button => {\n                button.disabled = false; \/\/ Antwort-Buttons aktivieren\n            });\n        }\n    }\n});\n\n<\/script>\n    \n\n\n\n<h3 class=\"wp-block-heading\">Was wei\u00dft du \u00fcber Formaldehyd?<\/h3>\n\n\n\n<p>Formaldehyd ist ein farbloses, stechend riechendes Gas mit der chemischen Formel CH\u2082O, das in Wasser gut l\u00f6slich ist und dort als Formalin bekannt ist. Es geh\u00f6rt zu den einfachsten Aldehyden und ist sehr reaktionsfreudig.<\/p>\n\n\n\n<p>In der Industrie wird Formaldehyd vor allem zur Herstellung von Kunstharzen, Klebstoffen und Beschichtungen verwendet, zum Beispiel in Holzwerkstoffen wie Spanplatten. Au\u00dferdem wird es in der Desinfektion und in der Konservierung biologischer Proben eingesetzt.<\/p>\n\n\n\n<p>Wie gut kennst du dich aus? Entdecke spannende Eigenschaften, Anwendungen und Besonderheiten von Formaldehyd und teste dein Wissen! \u2697\ufe0f\ud83e\uddea\ud83d\ude04<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Was wei\u00dft du \u00fcber Formaldehyd? Formaldehyd ist ein farbloses, stechend riechendes Gas mit der chemischen Formel CH\u2082O, das in Wasser gut l\u00f6slich ist und dort als Formalin bekannt ist. Es&hellip; <\/p>\n","protected":false},"author":1,"featured_media":8266,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Quiz \u00fcber Formaldehyd - Wieviel wei\u00dft du? - %%currentyear%% - Blogseite.com","_yoast_wpseo_metadesc":"Wieviel wei\u00dft du \u00fcber Formaldehyd? Wie gut kennst du Formaldehyd? Der Wissenstest \u00fcber Formaldehyd","footnotes":""},"categories":[2708],"tags":[2798],"class_list":["post-13460","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stoffe","tag-formaldehyd"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quiz \u00fcber Formaldehyd - Wieviel wei\u00dft du? - 2026 - Blogseite.com<\/title>\n<meta name=\"description\" content=\"Wieviel wei\u00dft du \u00fcber Formaldehyd? Wie gut kennst du Formaldehyd? 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