Quiz — T.W 2006.PDF

Question 1 sur 10 20:00

[{"id":26910,"question":"Quel est l'état de la matière qui a une forme et un volume définis ?","option_a":"Solide","option_b":"Liquide","option_c":"Gaz","option_d":"Plasma","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un solide a une forme et un volume définis, contrairement aux liquides et aux gaz qui n'ont pas de forme fixe.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Solide\", \"b\": \"Liquide\", \"c\": \"Gaz\", \"d\": \"Plasma\"}}","_debug_options_count":4},{"id":26911,"question":"La fusion est le passage de l'état solide à l'état liquide.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La fusion est bien le passage de l'état solide à l'état liquide, par exemple, la glace qui fond en eau.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":26912,"question":"Quelle propriété permet de distinguer un métal d'un non-métal ?","option_a":"La couleur","option_b":"La conductivité électrique","option_c":"Le goût","option_d":"L'odeur","option_e":"","option_f":"","bonne_reponse":"b","explication":"Les métaux sont généralement de bons conducteurs électriques, contrairement aux non-métaux.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"La couleur\", \"b\": \"La conductivité électrique\", \"c\": \"Le goût\"","_debug_options_count":4},{"id":26913,"question":"Un mélange homogène est un mélange où on peut distinguer les différents constituants à l'œil nu.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"Un mélange homogène est uniforme et on ne peut pas distinguer les constituants à l'œil nu, contrairement à un mélange hétérogène.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":26914,"question":"Quelle est la formule chimique de l'eau ?","option_a":"H2O","option_b":"CO2","option_c":"O2","option_d":"N2","option_e":"","option_f":"","bonne_reponse":"a","explication":"La formule chimique de l'eau est H2O, composée de deux atomes d'hydrogène et un atome d'oxygène.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"H2O\", \"b\": \"CO2\", \"c\": \"O2\", \"d\": \"N2\"}}","_debug_options_count":4},{"id":26915,"question":"La sublimation est le passage direct de l'état solide à l'état gazeux.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La sublimation est bien le passage direct de l'état solide à l'état gazeux, par exemple, la glace sèche.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":26916,"question":"Quel instrument est utilisé pour mesurer la masse d'un objet ?","option_a":"Balance","option_b":"Thermomètre","option_c":"Règle","option_d":"Éprouvette","option_e":"","option_f":"","bonne_reponse":"a","explication":"Une balance est utilisée pour mesurer la masse d'un objet, tandis que les autres instruments mesurent la température, la longueur ou le volume.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Balance\", \"b\": \"Thermomètre\", \"c\": \"Règle\", \"d\": \"Éprouvette\"}","_debug_options_count":4},{"id":26917,"question":"La dissolution est un phénomène physique où un soluté se mélange à un solvant pour former une solution.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La dissolution est bien un phénomène physique où un soluté se mélange à un solvant pour former une solution homogène.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":26918,"question":"Quelle est la température de fusion de la glace (eau) en degrés Celsius ?","option_a":"0°C","option_b":"100°C","option_c":"32°C","option_d":"-10°C","option_e":"","option_f":"","bonne_reponse":"a","explication":"La température de fusion de la glace (eau) est de 0°C, c'est la température à laquelle la glace fond en eau.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"0°C\", \"b\": \"100°C\", \"c\": \"32°C\", \"d\": \"-10°C\"}}","_debug_options_count":4},{"id":26919,"question":"Un corps pur est une substance composée d'un seul type de molécule.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un corps pur est bien une substance composée d'un seul type de molécule, contrairement à un mélange qui en contient plusieurs.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4}]