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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 reacts with metal oxides to form ............and....................
Give reason for the following:
Though hydrogen is lighter than air it cannot be collected by downward displacement of air.
Name the following:
Two metals which give hydrogen with cold water.
What is noticed if the products are not allowed to escape?
Give reason for the following:
Dilute sulphuric acid cannot be replaced by concentrated acid in the preparation of hydrogen.
Why are the following metals not used in the lab. preparation of hydrogen?
sodium
Complete and balance the following reaction.
Ca + H2O →_____________ +___________
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen sulphide
Give a balanced equation for the following conversion.
\[\ce{CO + H2<-H2O->CO2 + H}\]
Give a reason for the following.
Granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acid.
