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Question

Which of the following gases is released when zinc granules react with aqueous solution of sodium hydroxide?

जब दानेदार जिंक की अभिक्रिया सोडियम हाइड्रॉक्साइड के जलीय विलयन के साथ होती है, तो निम्नलिखित में से कौनसी गैस मुक्त होती है?

A
O2
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B
H2
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C
CO2
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D
N2
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Solution

The correct option is B H2
Solution

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