Granulated zinc is preferred over pure zinc to produce hydrogen by reacting with acids:-

True

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False

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Solution

The correct option is A
True

Granulated zinc is preferred more than pure zinc because the copper impurities present in granulated zinc has a catalysing effect, thus speeding up the reaction.

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Similar questions

Copper can produce hydrogen on reacting with acids but zinc cannot.

Correct the following statements :

(a) Hydrogen is used as a fuel for rocket propulsion.

(b) All metals react with acids to give hydrogen.

(d) Very dilute nitric acid reacts with zinc to produce hydrogen.

(e) $C o n c . H_{2} S O_{4}$ reacts with zinc to liberate hydrogen.

H C l

Z n + 2 H C l \to Z n C l_{2} + H_{2}

H C l

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