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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
Indicate which of the following statement is true and which is false:
The reaction between hydrogen and nitrogen to form ammonia is reversible.
Give the general group study of hydrogen with reference to
valence electrons
Under what conditions can hydrogen be made to combine with nitrogen?
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.
Complete and balance the equation:
Conversion of hydrogen to -
Hydrogen sulphide - H2 + S → ________
Complete and balance the equation:
Hydrogen in metallurgy - reduction of
Iron [III] oxide - Fe2O3 + 3H2 → ________ + ______
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
