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प्रश्न
Give reason for the following:
Concentrated sulphuric acid is kept in airtight bottles.
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उत्तर
Concentrated sulphuric acid absorbs water vapours from the atmosphere. Hence it should be kept in air tight bottles.
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संबंधित प्रश्न
In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.
State the conditions required for the given reaction to take place:
Any two conditions for the conversion of sulphur dioxide to sulphur trioxide
Name the products formed when hot and concentrated sulphuric acid reacts with Copper.
Give reason for the following:
Sulphuric acid can form two kinds of salts with sodium chloride.
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Hydrogen
Write balanced chemical equation to show :
The dehydrating property of conc.sulphuric acid
Write the balanced chemical equation for the following conversion:
Lead sulphate from lead nitrate solution and dilute sulphuric acid.
Write the balanced chemical equation for the following conversion:
Copper sulphate from copper and concentrated sulphuric acid.
Name the gas released when sodium carbonate is added to a solution of sulphur dioxide.
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
