Advertisements
Advertisements
प्रश्न
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{NaAlO2 + H2}\]
विकल्प
dilute acid
dilute alkali
cold water
conc. alkali
boiling water
conc. acid
steam
Advertisements
उत्तर
Reactant added to get the product:
\[\ce{NaAlO2 + H2:Conc.alkali}\]
APPEARS IN
संबंधित प्रश्न
Fill in the blank
Hydrogen reacts with metal oxides to form ............and....................
Which metal is preferred for the preparation of hydrogen?
from water?
What is noticed if the products are not allowed to escape?
Give reason for the following:
The end of the thistle funnel should be dipped under acid.
Why are the following metal not used in the lab. preparation of hydrogen?
iron
Give reason:
A candle brought near the mouth of a jar containing hydrogen gas starts burning but is extinguished when pushed inside the jar.
Complete and balance the equation:
[Industrial Method - Bosch process]
- Step I - Production of water gas -
\[\ce{C + H2O->[1000°C]}\] [____ + ____] - Δ - Step II - Reduction of steam to hydrogen by carbon monoxide
\[\ce{CO + H2 + H2O->[450°C][Fe2O3]}\] _____ + ____ [g] - Step III - Removal of unreacted carbon dioxide and carbon monoxidefrom the above mixture
KOH + CO2 → _________ + ______
CuCl + CO + 2H2O → _______
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.
\[\ce{CO + H2<-H2O->CO2 + H}\]
