Hydrogen gas will not be produced by :

heated cupric oxide

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heated Ferric oxide

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heated stannic oxide

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heated aluminium oxide

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Solution

The correct option is D heated aluminium oxide
When alluminium oxide is heted it liberates oxygen gas
$2 A l_{2} O_{3} \to 4 A l + 3 O_{2}$
So alluminium oxide on heating do not produce hydrogen gas
Hence option D is correct.

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Similar questions

Hydrogen gas will not reduce heated Aluminium oxide - True or False?

Cupric oxide will be converted to metallic copper when it is heated with hydrogen.

N a

C_{2} H_{5} O H

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