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प्रश्न
Give reason for the following:
In the contact process, sulphur dioxide is dissolved in 98% sulphuric acid and not in water.
उत्तर
In contant process sulphur trioxide formed is dissolved in sulphuric acid and not water because sulphur trioxide when directly dissolved in water gives highly exothermic reaction.
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संबंधित प्रश्न
What is the name given to the salts of sulphuric acid?
Give reasons for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on zinc sulphide.
Name the following:
Products obtained by dissolving sulphur dioxide and chlorine in water.
How are the following conversion brought about? Give equation and condition:
Sulphur trioxide to oleum.
Making use only of substances chosen from those given below:
Dilute sulphuric acid
Sodium carbonate
Zinc
Sodium sulphite
Lead
Salcium carbonate
Give the equation for the reaction by which you could obtain:
(i) Hydrogen
(ii) Sulphur dioxide
(iii) Carbon dioxide
(iv) Zinc Carbonate (two steps required).
Sulphuric acid is manufactured by the contact process.
Name the catalyst used.
Write a balanced chemical equation when hot and concentrated sulphuric acid reacts with the following:
Sugar
Write a balanced chemical equation when hot and concentrated sulphuric acid reacts with the following:
Carbon
The following are the typical properties of dilute acid. Complete them by inserting suitable words:
Sulphite/hydrogen sulphite + Acid → ______ + ______ + ______
