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प्रश्न
State one appropriate observation of the following:
Concentrated sulphuric acid is added dropwise to a crystal of hydrated copper sulphate.
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उत्तर
When conc. H2SO4 is added to a crystal of hydrated copper sulphate, it removes water of crystallisation from salt.
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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.
Name the products formed when hot and concentrated sulphuric acid reacts with Carbon.
Name the products formed when hot and concentrated sulphuric acid reacts with Copper.
Why is H2SO4 is not used as a drying agent for H2S?
Name the following:
Products obtained by treating zinc with dilute sulphuric acid.
What would you observe in the following case?
Hot concentrated sulphuric acid is added to sodium chloride crystals.
Write the equation of the following reaction:
Sulphur is heated with concentrated sulphuric acid.
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with :
(i) Potassium nitrate
(ii) carbon
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
Give a balanced chemical equation for the above reaction.
