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प्रश्न
Choose terms from the options given in brackets to complete this sentence.
Hydrogen is ………………… soluble in water.
(sparingly, highly, moderately)
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उत्तर
Hydrogen is sparingly soluble in water.
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संबंधित प्रश्न
Give reasons for the following:
Hydrogen can be used as a fuel.
Discuss the occurrence of hydrogen in the universe and on the earth ?
Hydrogen is evolved when dilute HCl reacts with magnesium, but nothing happens in the case of mercury and silver. Explain.
With reference to the uses of hydrogen, give reason for the following:
Hydrogen is not used in air balloons
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.
Complete and balance the equation:
Conversion of hydrogen to -
Water - 2H2 + O2 → ________
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
Iron [III] oxide - Fe2O3 + 3H2 → ________ + ______
State the use of hydrogen –
In hydrogenation of oil and coal
