
Mini-test #2
Authored by Andréanne Roberge
Science
7th Grade
Used 3+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Combien de moles de NH3 sont nécessaire pour réagir complètement avec 5,00 mol de NO ?
4 NH3(g) + 6 NO(l) → 5 N2(g) + 6 H2O(l)
7.50 mol
4 mol
3.33 mol
6 mol
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2CuO + C → CO2 + 2Cu
Selon l'équation balancée suivante, quelle masse d'oxyde de cuivre j'ai besoin pour réagir avec 6 g de carbone ?
79.5 g d'oxyde de cuivre
22 g d'oxyde de cuivre
159 g d'oxyde de cuivre
318 g d'oxyde de cuivre
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Laquelle des formules suivantes correspond à un acide ?
NaOH
Na2SO4
H2SO4
CO2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Laquelle des formules suivantes correspond à une base?
NaOH
Na2SO4
H2SO4
CO2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2SO4 + NaOH → Na2SO4 + H2O
Quel est ce type réaction chimique ?
Oxydation
Précipitation
Combustion
Neutralisation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une contenant contient 500 mL de solution acide ayant une concentration de 2mol/L. Déterminer la quantité de soluté contenu dans la solution.
0.5 mole d'acide
2 moles d'acide
1 mole d'acide
4 moles d'acide
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si je neutralise 2 litres de solution de NaOH ayant une concentration de 0,5 mol/L, j'obtiendrai qu'elle quantité de sel ?
0.25 mole de sel
1 mole de sel
0.5 mole de sel
2 moles de sel
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