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प्रश्न
Give reason for the following:
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
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उत्तर
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it removes water from salt and turns it into powdery white.
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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.
Give one equation to show the following properties of sulphuric acid:
Dehydrating property
Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with carbon?
Give a chemical test to distinguish between dilute sulphuric acid and conc. sulphuric acid.
Name the following:
Gases obtained by treating carbon with hot concentrated sulphuric acid.
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 : Carbon dioxide
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Lead sulphate from lead nitrate.
Give a balanced chemical equation for the action of sulphuric acid on the following:
Sulphur
Write the balanced chemical equation for the following conversion:
Copper sulphate from copper and concentrated sulphuric acid.
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
