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प्रश्न
Complete and balance the equation:
Conversion of hydrogen to -
Water - 2H2 + O2 → ________
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उत्तर
Water - 2H2 + O2 → 2H2O
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संबंधित प्रश्न
Give reasons for the following:
Hydrogen can be used as a fuel.
Write two physical properties of hydrogen.
Give the general group study of hydrogen with reference to
valence electrons
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 -
Hydrogen sulphide - H2 + S → ________
Place the metals calcium, iron, magnesium and sodium in order of their activity with water, placing the most active first. Write the equation for each of the above metals which react with Water.
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
State the use of hydrogen –
In the extraction of metals
