Acides et bases
Quiz
•
Chemistry
•
6th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Les acides sont des ....
composés ioniques
composés moléculaires
métaux
non-métaux
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le reste d'acide d'un hydracide est ...
un non-métal ou un groupement sans l'élément oxygène
un groupement renfermant l'élément oxygène
un métal
le groupement COOH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Les bases renferment ...
un non-métal et un métal
un/des anion(s) métallique(s) et un/des cation(s) hydroxyde(s)
un/des cations(s) métallique(s) et un/des anions(s) hydroxyde(s)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Choisir les produits de la réaction: H2SO4 + KBr -->
K2SO4 + H2O
Br2SO4 + KBr
K2SO4 + HBr
K2SO4 + H2 + Br2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'hydroxyde de sodium solide conduit le courant électrique
vrai
faux
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un solution acide qui renferme 0,0001 mol/L d'ions H+ a un pH de ...
10
1
4
7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La réaction entre un acide et une base produit ....
un acide et un sel
un sel et de l'eau
de l'eau et une base
il y a pas de réaction
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