Quiz — 61.._pH3.pdf

Question 1 sur 10 20:00

[{"id":11163,"question":"Quel est le pH d'une solution neutre ?","option_a":"Inférieur à 7","option_b":"Égal à 7","option_c":"Supérieur à 7","option_d":"Variable","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le pH d’une solution neutre est égal à 7.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Inférieur à 7\", \"b\": \"Égal à 7\", \"c\": \"Supérieur à 7\", \"d\":","_debug_options_count":4},{"id":11164,"question":"Les bases fortes sont-elles complètement dissociées en solution aqueuse ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"Oui, les bases fortes se dissociation complètement en solution aqueuse.","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":11165,"question":"Quelle est la formule chimique de l’acide chlorhydrique ?","option_a":"HCl","option_b":"H2SO4","option_c":"HNO3","option_d":"HF","option_e":"","option_f":"","bonne_reponse":"a","explication":"La formule chimique de l’acide chlorhydrique est HCl.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"HCl\", \"b\": \"H2SO4\", \"c\": \"HNO3\", \"d\": \"HF\"}}","_debug_options_count":4},{"id":11166,"question":"L’acide acétique est-il un acide fort ou faible ?","option_a":"Fort","option_b":"Faible","option_c":"Basique","option_d":"Neutre","option_e":"","option_f":"","bonne_reponse":"b","explication":"L’acide acétique est un acide faible.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Fort\", \"b\": \"Faible\", \"c\": \"Basique\", \"d\": \"Neutre\"}}","_debug_options_count":4},{"id":11167,"question":"Les acides et les bases peuvent-ils réagir pour former du sel et de l’eau ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Oui, les acides et les bases peuvent réagir pour former du sel et de l’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":11168,"question":"Quel est le nom de la réaction entre un acide et une base pour former du sel et de l’eau ?","option_a":"Réaction acido-basique","option_b":"Réaction neutre","option_c":"Réaction alcaline","option_d":"Réaction saline","option_e":"","option_f":"","bonne_reponse":"a","explication":"La réaction entre un acide et une base pour former du sel et de l’eau s’appelle une réaction acido-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\": \"Réaction acido-basique\", \"b\": \"Réaction neutre\", \"c\": \"Réactio","_debug_options_count":4},{"id":11169,"question":"L’hydroxyde de sodium est-il une base forte ou faible ?","option_a":"Forte","option_b":"Faible","option_c":"Acide","option_d":"Neutre","option_e":"","option_f":"","bonne_reponse":"a","explication":"L’hydroxyde de sodium est une base forte.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Forte\", \"b\": \"Faible\", \"c\": \"Acide\", \"d\": \"Neutre\"}}","_debug_options_count":4},{"id":11170,"question":"Les indicateurs acido-basiques changent-ils de couleur en fonction du pH ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Oui, les indicateurs acido-basiques changent de couleur en fonction du pH.","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":11171,"question":"Quel est l’usage principal des tampons en chimie ?","option_a":"Maintenir un pH constant","option_b":"Changer le pH d’une solution","option_c":"Dissoudre des substances","option_d":"Réagir avec des acides","option_e":"","option_f":"","bonne_reponse":"a","explication":"Les tampons sont utilisés pour maintenir un pH constant dans une solution.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Maintenir un pH constant\", \"b\": \"Changer le pH d’une solution\",","_debug_options_count":4},{"id":11172,"question":"Les réactions acido-basiques sont-elles importantes en biologie ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Oui, les réactions acido-basiques sont importantes en biologie car elles influencent de nombreux processus cellulaires.","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}]