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Question
For laboratory preparation of hydrogen, give the following:
method of collection
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Solution
It is collected by the downward displacement of water.
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Fill in the blank
Hydrogen is ...................soluble in water.
Multiple Choice Question
Water gas is a mixture of
For laboratory preparation of hydrogen, give the following:
fully-labeled diagram
Give reason for the following:
Purified and dried hydrogen is collected over mercury.
Give reason for the following:
The end of the thistle funnel should be dipped under acid.
Complete and balance the following reaction.
Fe + H2O →_____________ +___________
Complete and balance the following reaction.
Fe + HCl →_____________ +___________
Select the correct options for the following statement:
The metallic compound formed when a metal above aluminium in the activity series reacts with steam.
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Iron - Fe + 2HCl → ______ + _______ [g]
Give a balanced equation for the following conversion.
\[\ce{KAlO2<-KOH->K2ZnO2}\]
