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Physical Properties of Metals

The alkaline ...

Question

The alkaline earth metal that does not lose its metallic lusture when exposed to air is:

A

Ba

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B

Mg

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C

Be

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D

Ca

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Solution

The correct option is B Be
Beryllium is kinetically inert to air. Therefore, it does not lose metallic lustre when exposed to air.

Hence, the correct option is C.

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