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प्रश्न
Multiple Choice Question
Water gas is a mixture of
विकल्प
carbon monoxide and oxygen
carbon monoxide and hydrogen
hydrogen and oxygen
hydrogen and nitrogen.
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उत्तर
carbon monoxide and hydrogen
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संबंधित प्रश्न
Fill in the blank
Hydrogen is ...................soluble in water.
Multiple Choice Question
The metal which reacts with cold water to produce hydrogen is
For laboratory preparation of hydrogen, give the following:
materials used
Where does hydrogen occur in a free state?
Why are the following metal not used in the lab. preparation of hydrogen?
iron
Complete and balance the following reaction.
Fe + H2O →_____________ +___________
Select the correct options for the following statement:
A metal which reacts with water to give a metallic hydroxide & liberate hydrogen.
Select the correct options for the following statement:
The acid _____ is not Used in the laboratory preparation of hydrogen, using zinc and an acid.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Calcium - Ca + H2O → ______+ _______ [g]
Give a balanced equation for the following conversion.
\[\ce{KAlO2<-KOH->K2ZnO2}\]
