Action of water or dilute mineral acid on metals can give:

Monohydrogen

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Tritium

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Dihydrogen

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Trihydrogen

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Solution

The correct option is A Dihydrogen
Metals react with water to form metal hydroxide and hydrogen gas, but when metals react with steam, they form a metal oxide and hydrogen. The action of water or dilute mineral acids on metals can give hydrogen.

$Z n + H_{2} S O_{4} \to H_{2} + Z n S O_{4}$

$M g + H_{2} S O_{4} \to H_{2} + M g S O_{4}$

$M g + H_{2} O \to M g O + H_{2}$

$M (m e t a l) + H_{2} S O_{4} \to H_{2}$

$∴ A c t i o n o f w a t e r o r d i l u t e m i n e r a l a c i d o n m e t a l s c a n g i v e D i h y d r o g e n$

$H e n c e t h e c o r r e c t a n s w e r i s o p t i o n (C)$

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1 g

896 mL

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