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When potassium is heated strongly in oxygen
CHEMISTRY · Single correct
Problem
When potassium is heated strongly in oxygen, it forms: (1)
K
2
O
\text{K}_2\text{O}
K
2
O
(2)
KO
2
\text{KO}_2
KO
2
(3)
K
2
O
2
\text{K}_2\text{O}_2
K
2
O
2
(4)
KO
3
\text{KO}_3
KO
3
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