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Which one of the following statement (s)...

Which one of the following statement (s) is /are correct?

A

Beryllium easily forms hydrated peroxide `BeO_(2).8H_(2)O`.

B

Calcium and barium bicarbonates are stable only in solution and decompose on removal of water to give carbonates.

C

Group 2 metals have higher melting points when compared to the group 1 metals

D

Solubility of sulphates of alkaline earth metals increases going down the group.

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The correct Answer is:
BC
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