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Nitric Acid

Out of the fo...

Question

Out of the following metals, which will give $H_{2}$ on reaction with $N a O H$ ?
$I . Z n I I . M g$
$I I I . A l I V . B e$

I, I I, I I I, I V

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I, I I I, I V

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I I, I V

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I, I I I

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Solution

The correct option is B $I, I I I, I V$
Only amphoteric metals release $H_{2}$ on reaction with $N a O H$ solution. Metals which are predominantly basic does not react with bases (like $N a O H$ ).

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