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प्रश्न
Complete and balance the equation:
Hydrogen in metallurgy - reduction of
Zinc oxide - ZnO + H2 → ________ + ______
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उत्तर
Zinc oxide - ZnO + H2 → Zn + H2O
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संबंधित प्रश्न
Discuss the occurrence of hydrogen in the universe and on the earth ?
Under what conditions can hydrogen be made to combine with nitrogen?
Name the products and write the equation for the reaction.
Under what conditions can hydrogen be made to combine with sulphur?
Name the products and write the equation for the reaction.
Choose terms from the options given in brackets to complete this sentence.
Hydrogen is ………………… soluble in water.
(sparingly, highly, moderately)
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.
Complete and balance the equation:
Conversion of hydrogen to -
Water - 2H2 + O2 → ________
Complete and balance the equation:
Conversion of hydrogen to -
Ammonia - N2 + 3H2 ⇌ ______
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
