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Химические свойства кислорода

Authored by Динара Ахметова

Chemistry

9th Grade

Used 2+ times

Химические свойства кислорода
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Li +​ O2​ ​ (a)  

Li2O

Li2O2

Li3O

LiO

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

H2S + O2=

S + H2O

SO2 + H2O

H2SO4

реакция не идет

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

PbS + O3

PbSO4 + O2

PbO2 + SO2

Pb + SO2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Na + O2

Na2O

NaO2

Na2O2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ZnS + O2 =

ZnO + SO2

Zn + SO3

ZnSO4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Na2S + O2

Na2SO4

Na2O + S

Na2O2 + SO2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

NH3 + O2 = N2 + H2O

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