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प्रश्न
Under what conditions can hydrogen be made to combine with oxygen?
Name the products and write the equation for the reaction.
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उत्तर
Hydrogen burns in the presence of electric spark with a 'pop' sound in oxygen and with a blue flame forming water.
2H2 + O2 →2H2O
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संबंधित प्रश्न
Give reasons for the following:
Hydrogen can be used as a fuel.
Describe two chemical properties of hydrogen with equations.
Give the general group study of hydrogen with reference to
valence electrons
Under what conditions can hydrogen be made to combine with sulphur?
Name the products and write the equation for the reaction.
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.
With reference to the uses of hydrogen, give reason for the following:
Reaction of hydrogen with nitrogen under specific conditions finds industrial utility.
Complete and balance the equation:
Conversion of hydrogen to -
Hydrogen chloride - H2 + Cl2 → ________
Complete and balance the equation:
Conversion of hydrogen to -
Ammonia - N2 + 3H2 ⇌ ______
State the use of hydrogen –
In hydrogenation of oil and coal
