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प्रश्न
State the following pertaining to the physical properties of hydrogen: Effect on moist blue litmus paper.
उत्तर
No-effect i.e. colour does not change.
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संबंधित प्रश्न
Give reasons for the following:
Hydrogen can be used as a fuel.
Write two physical properties of hydrogen.
Discuss the use of hydrogen as a fuel ?
With reference to the uses of hydrogen, give reason for the following:
Hydrogen is not used in air balloons
Complete and balance the equation:
Conversion of hydrogen to -
Hydrogen chloride - H2 + Cl2 → ________
Complete and balance the equation:
Conversion of hydrogen to -
Hydrogen sulphide - H2 + S → ________
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
State the use of hydrogen –
In the extraction of metals
