
оксид
Authored by Амина Қобыланды
Chemistry
10th Grade
Used 1+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Қышқылдық оксид:
CO
SiO
Na2O
CO2
N2O
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Орынбасу реакциясын көрсетіңіз?
2NaOH + CO2 → Na2CO3 + H2O
ZnO + 2HCl → ZnCl2 + H2O
Na2CO3 + Ca(OH)2→ CaCO3 + 2NaOH
Zn + 2HCl → ZnCl2 + H2
2NaCl + H2SO4 → Na2SO4 + 2HCl
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6,72 л (қ.ж.) оттектің массасын есептеңіз?
22,4 г
67,2 л
9,6 г
8,96 г
10 г
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Екідайлы оксидті және екідайлы негізді көрсетіңіз?
Na2O және Zn(OH)2
BaO және Be(OH)2
K2O және NaCl
SiO2 және Al(OH)3
Al2O3 және Cr(OH)3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
25 г тұзға 75 г су қосылғаннан кейінгі ерітіндідегі еріген заттың массалық үлесі?
25%
50%
75%
100%
150%
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Төмендегі қатарда оксидтердің екідайлылық қасиетін көрсететін сатысы қайсы?
Na (1)→Na2O(2)→ NaOH(3)→ Na2ZnO2(4)→ Na2SO4
1
2
3
4
4 және 5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Сақардағы көміртектің массалық үлесі қанша(%)?
89,6%
8,69%
2,24
1%
22,4%
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