Which metal is preferred for preparation of hydrogen
from acid ?

Which metal is preferred for preparation of hydrogen from water?

Which metal is preferred for preparing hydrogen from: cold water? Write balanced equation.

Which metal is preferred for preparing hydrogen from: hot water ? Write balanced equation.

Which metal is preferred for preparing hydrogen from: steam ? Write balanced equation for each case.

Name any one metal which is preferred for the preparation of hydrogen from cold water

Give reasons for the following Nitric acid is not preferred in lab. prepartion of hydrogen.

Explain why thionyl chloride method is preferred for preparing alkyl chlorides from alcohols.

Acid used in the laboratory for preparation of hydrogen.

Which metal is used in the preparation of Grignard's reagents from alkyl halides ?

Which metal is used in the preparation of Grignard's reagents from alkyl halides?