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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
State the inference drawn from the following observations:
Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.
Give one equation to show the following properties of sulphuric acid:
As a non-volatile acid
Why is water not added to concentrated H2SO4 in order to dilute it?
Name the Following:
The property used to prepare HCl and HNO3 from H2SO4.
How are the following conversion brought about? Give equation and condition:
Oxalic acid to carbon monoxide.
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
What do you observe when barium chloride solution is added to dilute sulphuric acid ?
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid (using lead nitrate solution).
Write a balanced equation for the following conversion:
Lead sulphate from lead nitrate and sulphuric acid.
The property exhibited by concentrated sulphuric acid when it is used to prepare hydrogen chloride gas from potassium chloride is ______.
