36.-2Oksidlar bo’yicha masalalar.
Authored by Bobomurod Abdixashimov
Chemistry
11th Grade
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fe(III) + O₂ = …………… + ……………
Fe₂O₃
FeO
FeO₂
Fe₂O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
B(IV) + O₂ = …………… + ……………
B₂O₃
BO
BO₂
B₂O
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
S(III) + O₂ = …………… + ……………
SO₂
SO₃
S₂O₃
S₂O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cu(II) + O₂ = …………… + ……………
CuO
Cu₂O
CuO₂
Cu₂O₃
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cr(I) + O₂ = …………… + ……………
Cr₂O₃
CrO
CrO₃
Cr₂O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cr(III) + O₂ = …………… + ……………
CrO
Cr₂O₃
CrO₂
Cr₂O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
B(IV) + O₂ = …………… + ……………
B₂O₃
BO
BO₂
B₂O
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