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प्रश्न
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen sulphide
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उत्तर
Reactant added to obtain:
Hydrogen sulphide: Hydrogen and sulphur.
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संबंधित प्रश्न
Fill in the blank
Hydrogen is ...................soluble in water.
FILL IN THE BLANK
In electrolysis of water, dilute sulphuric acid is added to increase ..................of water.
For laboratory preparation of hydrogen, give the following:
chemical equation
Give reason for the following:
Dilute sulphuric acid cannot be replaced by concentrated acid in the preparation of hydrogen.
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A divalent metal
‘Hydrogen is obtained by electrolysis of acidified water’.
Answer the following pertaining to the preparation of hydrogen by electrolysis,
The meaning of the term ‘electrolysis’ and ‘electrolyte’.
Starting from hydrogen gas how would you obtain a basic gas.
Complete and balance the equation:
[General method]
Reactions of metals with steam
Iron - 3Fe + 4H2O ⇌ ______+ _______ [g]
State the reactant added to hydrogen to obtain the respective product in following case.
Water
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
