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प्रश्न
Select the correct options for the following statement:
The product formed on combustion of hydrogen in air is ___.
पर्याय
water gas
water
producer gas
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उत्तर
The product formed on combustion of hydrogen in air is water.
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संबंधित प्रश्न
Hydrogen is ______ than air.
FILL IN THE BLANK
In electrolysis of water, dilute sulphuric acid is added to increase ..................of water.
Hydrogen gas is collected by the downward displacement of water. Give reason ?
Which metal is preferred for the preparation of hydrogen?
from acid?
Complete and balance the following reaction.
Ca + H2O →_____________ +___________
Complete and balance the following reaction.
Al + KOH + H2O→_____________ +___________
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Aluminium - 2Al + 3H2SO4 → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Iron - Fe + 2HCl → ______ + _______ [g]
Give a balanced equation for obtaining hydrogen from?
Steam using a trivalent metal
State why hydrogen is not prepared in the laboratory by the action of sodium with cold water.
