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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
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Hydrogen can be used as a fuel.
What is hydrogenation?
Give the general group study of hydrogen with reference to
valence electrons
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Name the products and write the equation for the reaction.
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:
Hydrogen in metallurgy - reduction of
Zinc oxide - ZnO + H2 → ________ + ______
Why is copper not used to prepare hydrogen by the action of dilute hydrochloric acid or dilute sulphuric acid on the metal, [copper [Cu] below hydrogen – no reaction]
State the use of hydrogen –
In hydrogenation of oil and coal
