In the laboratory preparation of hydrogen, pure zinc is not used because

Select the correct answer from the choice in bracket to complete each sentence: The acid__________ [dil.H_(2)SO_(4), dil. HNO_(3), dil HCl] is not used in the laboratory preparation of hydrogen, using zinc and an acid.

Give reason for the following: In the laboratory preparation of hydroge from zinc and dilute hydrochloric acid- the zinc used is granulated zinc.

Give reason for the following: Zinc granules are preferred for the laboratory preparation of hydrogen rather than pure zinc.

Write the balanced chemical equation for the laboratory preparation of hydrogen chloride gas.

Acid used in the laboratory for preparation of hydrogen.

Why the apparatus used for the laboratory preparation of hydrogen chloride should be perfectly dry ?

State the salt and acid , used in the laboratory preparation of hydrogen chloride. Give the equation for the preparation .

The diagram shows an apparatus for the laboratory preparation of hydrogen chloride. Write the equation for the reaction.