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प्रश्न
With reference to the uses of hydrogen, give reason for the following:
A mixture of hydrogen & oxygen on burning, find application in welding & cutting metals.
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उत्तर
Hydrogen and oxygen mixture on burning produces a high temperature upto 2800°C which is used for welding and cutting of metals.
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संबंधित प्रश्न
What is hydrogenation?
Discuss the use of hydrogen as a fuel ?
Under what conditions can hydrogen be made to combine with nitrogen?
Name the products and write the equation for the reaction.
Under what conditions can hydrogen be made to combine with sulphur?
Name the products and write the equation for the reaction.
Under what conditions can hydrogen be made to combine with oxygen?
Name the products and write the equation for the reaction.
State the following pertaining to the physical properties of hydrogen: Effect on moist blue litmus paper.
Complete and balance the equation:
Conversion of hydrogen to -
Ammonia - N2 + 3H2 ⇌ ______
Complete and balance the equation:
Hydrogen in metallurgy - reduction of
Zinc oxide - ZnO + H2 → ________ + ______
Complete and balance the equation:
Hydrogen in metallurgy - reduction of
Iron [III] oxide - Fe2O3 + 3H2 → ________ + ______
State the use of hydrogen –
In hydrogenation of oil and coal
