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प्रश्न
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{NaAlO2 + H2}\]
पर्याय
dilute acid
dilute alkali
cold water
conc. alkali
boiling water
conc. acid
steam
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उत्तर
Reactant added to get the product:
\[\ce{NaAlO2 + H2:Conc.alkali}\]
APPEARS IN
संबंधित प्रश्न
Multiple Choice Question
Water gas is a mixture of
MULTIPLE CHOICE QUESTIONS
Hydrogen burns in oxygen to form
- hydrogen sulphide
- nitrates
- water
- ammonia
Why nitric acid is not used in the preparation of hydrogen?
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A monovalent metal
Complete and balance the following reaction.
Al + KOH + 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 product formed on combustion of hydrogen in air is ___.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Sodium - 2Na + 2H2O → ______+ _______ [g]
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 → _______
Give a balanced equation for the following conversion.
\[\ce{MgCl2<-HCl->FeCl2}\]
