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A metal M readily forms water soluble su...

A metal M readily forms water soluble sulphate, and water insoluble hydroxide `M(OH)_(2)`. Its oxide MO is amphoteric, hard and having high melting point. The alkaline earth metal M must be :

A

`Be`

B

`Mg`

C

`Ca`

D

`Sr`

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The correct Answer is:
A
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