Metals react with bases to produce hydrogen gas which can be detected by:

rotten-egg smell

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pop sound

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both of these

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none of these

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Solution

The correct option is D pop sound
Hydrogen gas released during a reaction is detected by a pop sound.

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Similar questions

Metal reacts with acid to produce hydrogen gas. But when metal reacts with $H N O_{3}$ hydrogen gas is not given out. Give a reason.

(a) Name one metal which reacts with dilute hydrochloric acid to produce hydrogen gas.

(b)Name one metal which does not react with dilute hydrochloric acid.

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