Two elements A and B on burning in air g...

Two elements A and B on burning in air give corresponding oxides. Oxides of both A and B are soluble in water. The aqueous solution of oxide of A is alkaline and reacts with aqueous solution of oxide of B to give another compound. Identify A and B

A

A and B both are metals

B

A and B are non-metals

C

A is metal and B is non-metal

D

A is non-metal and B is metal

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