2. Сера и кислород. Повторение (30 вопросов)
Authored by Динара Ахметова
Chemistry
9th Grade
Used 1+ times
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Li + O2 =
= Li2O
= Li2O2
= LiO3
= Li2O3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na + O2 =
= Na2O2
= Na2O
= Na2O
= NaO
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2S + O2 =
= H2O + SO2
= H2O
H2 + S + O2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ZnS + O2 =
= ZnSO4
= ZnO + SO2
р - ция не идет
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na2S + O2 =
= Na2SO4
Na2O + SO2
р - ция не идет
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NH3 + O2 (без катализатора) =
= N2 + H2O
NO + H2O
р - ция не идет
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NH3 + O2 =
= NO + H2O
= N2 + H2O
= N2 + O2 + H2
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