Quiz — Lycée Pilote Sousse - DC 1 2019.pdf

Question 1 sur 10 20:00

[{"id":6995,"question":"Quelle est la formule chimique de l'eau ?","option_a":"H2O","option_b":"CO2","option_c":"O2","option_d":"NaCl","option_e":"","option_f":"","bonne_reponse":"a","explication":"La formule chimique de l'eau est H2O, composée de deux atomes d'hydrogène (H) et d'un atome d'oxygène (O).","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\": \"NaCl\"}}","_debug_options_count":4},{"id":6996,"question":"Vrai ou Faux ? Une transformation chimique modifie la nature des substances initiales.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Une transformation chimique modifie la nature des substances initiales en formant de nouvelles substances.","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":6997,"question":"Quel est le symbole de l'unité de mesure de la masse en physique ?","option_a":"m","option_b":"g","option_c":"kg","option_d":"N","option_e":"","option_f":"","bonne_reponse":"c","explication":"Le symbole de l'unité de mesure de la masse est 'kg' (kilogramme).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"m\", \"b\": \"g\", \"c\": \"kg\", \"d\": \"N\"}}","_debug_options_count":4},{"id":6998,"question":"Vrai ou Faux ? La vitesse est une grandeur vectorielle.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La vitesse est une grandeur vectorielle car elle possède une direction, un sens et une intensité.","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":6999,"question":"Quelle est la charge électrique d'un proton ?","option_a":"Nulle","option_b":"+1","option_c":"-1","option_d":"+2","option_e":"","option_f":"","bonne_reponse":"b","explication":"Un proton possède une charge électrique positive égale à +1 (en unités de charge élémentaire).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Nulle\", \"b\": \"+1\", \"c\": \"-1\", \"d\": \"+2\"}}","_debug_options_count":4},{"id":7000,"question":"Vrai ou Faux ? La photosynthèse est un processus qui produit du dioxygène.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La photosynthèse est un processus biologique qui produit du dioxygène (O2) à partir de dioxyde de carbone (CO2) et d'eau (H2O).","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":7001,"question":"Quel est le nom de la force qui attire deux masses l'une vers l'autre ?","option_a":"Force de frottement","option_b":"Force magnétique","option_c":"Force gravitationnelle","option_d":"Force électrique","option_e":"","option_f":"","bonne_reponse":"c","explication":"La force qui attire deux masses l'une vers l'autre est la force gravitationnelle.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"Force de frottement\", \"b\": \"Force magnétique\", \"c\": \"Force gravi","_debug_options_count":4},{"id":7002,"question":"Vrai ou Faux ? Un atome est électriquement neutre.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un atome est électriquement neutre car il contient autant de protons (charges positives) que d'électrons (charges négatives).","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":7003,"question":"Quelle est la formule de la vitesse moyenne ?","option_a":"v = d\/t","option_b":"v = t\/d","option_c":"v = m\/d","option_d":"v = F\/m","option_e":"","option_f":"","bonne_reponse":"a","explication":"La formule de la vitesse moyenne est v = d\/t, où 'd' est la distance parcourue et 't' est le temps écoulé.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"v = d\/t\", \"b\": \"v = t\/d\", \"c\": \"v = m\/d\", \"d\": \"v = F\/m\"}}","_debug_options_count":4},{"id":7004,"question":"Vrai ou Faux ? Le pH mesure l'acidité ou la basicité d'une solution.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le pH est une échelle qui mesure l'acidité ou la basicité d'une solution, allant de 0 (très acide) à 14 (très basique).","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}]