The main oxides formed on combustion of Li,Na and K in excess of air respectively are
A
`LiO_(2), Na_(2)O_(2) and K_(2)O`
B
`Li_(2)O_(2), Na_(2)O_(2) and KO_(2)`
C
`Li_(2)O, Na_(2)O_(2) and KO_(2)`
D
`Li_(2)O, Na_(2)O and KO_(2)`
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The correct Answer is:
C
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