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प्रश्न
With reference to the uses of hydrogen, give reason for the following:
Hydrogen is not used in air balloons
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उत्तर
Hydrogen gas in ‘highly inflamable’ i.e. catches fire. Hence generally it is not used in air balloons.
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संबंधित प्रश्न
Write two physical properties of hydrogen.
Describe two chemical properties of hydrogen with equations.
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valence electrons
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Name the products and write the equation for the reaction.
State the following pertaining to the physical properties of hydrogen: Colour & odour
State the following pertaining to the physical properties of hydrogen: Effect on moist blue litmus paper.
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Water - 2H2 + O2 → ________
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