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куиз 1-апта

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куиз 1-апта
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43 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Айырылу реакциясы:

а)4HNO3 =4N02 + 2H20 + О2
b)Fe + CuSO4 =FeSO4 + Cu
c)H2 + CuO = H2O + Cu
d)CaCO + CO2 + H2O = Ca(HCO3)2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. Орынбасу реакциясы:

a)2Cu + О2 → 2CuO
b)4Al+ 3Oг → 2Al2O3
C) 2H2O->2H2+O2
d) Zn + CuCl = ZnCl2 + Cu

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4. Айырылу реакциясы:

A)2KClO3 → 2KCl+3O2
B)CuO+2HCl → CuCl2 +H2O
C)2H2 +O2 → 2H2O
D)Fe+CuCl → FeCl2 +Cu

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. Орынбасу реакциясы:

A)2KClO3 → 2KCl+3O2
B)CuO+2HCl → CuCl2 +H2O
C)2H2 +O2 → 2H2O
D)Fe+CuCl → FeCl2 +Cu

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6. Алмасу реакциясы:

A)2KClO3 → 2KCl+3O2
B)CuO+2HCl → CuCl2 +H2O
C)2H2 +O2 → 2H2O
D)Fe+CuCl → FeCl2 +Cu

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

8. Қосылу реакциясы:

A) NH4Cl → NH3 +HCl
B) 2H2S+3O2 → 2H2O+2SO2
C) Сu(OH)2 → CuO+H2O
D) Fe+S → FeS

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

9. Айырылу реакциясына жатпайды:

A) NH4Cl → NH3 +HCl
B) 2KClO3 → 2KCl+3O2
C) Сu(OH)2 → CuO+H2O
D) Fe+CuCl2 → FeCl2 +Cu

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