The main oxides formed on combustion of Li, Na and K in excess of air are, respectively
A) \(LiO_2, Na_2O_2, K_2O\)
B) \(Li_2O_2, Na_2O_2, KO_2\)
A) \(Li_2O, Na_2O_2, KO_2\)
A) \(Li_2O, Na_2O, KO_2\)
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