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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2016
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Q)
The main oxides formed on combustion of Li, Na and K in excess of air are, respectively :
( A )
L
i
2
O
,
N
a
2
O
2
and
K
O
2
( B )
L
i
2
O
,
N
a
2
O
and
K
O
2
( C )
L
i
2
O
2
,
N
a
2
O
2
and
K
O
2
( D )
L
i
O
2
,
N
a
2
O
2
and
K
2
O
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