granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acids give reason

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Solution

Granulated zinc has a larger surface area than metallic zinc and thus it reacts faster with dilute acids.

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Similar questions

Give reason for the following

1. Nitric acid in the dilute form is not used in the laboratory preparation of hydrogen from metals.

2. Granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acid.

3. Hydrogen and alkali metals of group [1A] react with copper [II] oxide to give copper.

4. Hydrogen is collected by the downward displacement of water and not even though it is lighter than air.

5. A Mixture of hydrogen and chlorine can be separated by passage through a porous pot

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

When zinc granules are added to dilute hydrochloric acid .what is happening around zinc granules? Is there any change in temperature?

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