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प्रश्न
Select the correct options for the following statement:
The metal used as a catalyst in hydrogenation of oils.
पर्याय
Nickel
Sodium
Iron
Iron [III] oxide
Magnesium oxide
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उत्तर
Nickel
APPEARS IN
संबंधित प्रश्न
Fill in the blank
Hydrogen is ..................... than air.
Hydrogen gas is collected by the downward displacement of water. Give reason ?
What is noticed if the products are not allowed to escape?
For laboratory preparation of hydrogen, give the following:
chemical equation
Why are the following metal not used in the lab. preparation of hydrogen?
iron
Complete and balance the following reaction.
Al + H2SO4 →_____________ +___________
State the reactant added to hydrogen to obtain the respective product in following case.
Ammonia
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
Give a balanced equation for the following conversion.
\[\ce{MgCl2<-HCl->FeCl2}\]
Give a balanced equation for the following conversion.
\[\ce{ZnO<-H2O->Fe3O4}\]
