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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:
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Write two physical properties of hydrogen.
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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:
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:
Hydrogen in metallurgy - reduction of
Iron [III] oxide - Fe2O3 + 3H2 → ________ + ______
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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]
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In the extraction of metals
