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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
State one relevant observation for given reactions:
Addition of ethyl alcohol to acetic acid in the presence of concentrated Sulphuric acid
Define the following term : Dehydrating agent
Choose the current answer from the options given below :
When conc. H2SO4 comes in contact with sugar, it becomes black due to
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
Name the gas evolved in following case:
The gas produced by the action of concentrated sulphuric acid on sodium chloride.
Write the equation of the following reaction :
Concentrated sulphuric acid is poured over sugar
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with :
(i) Potassium nitrate
(ii) carbon
Give two balanced reactions of the type to show the following property of sulphuric acid:
Dehydrating nature
Name the acid formed when sulphur dioxide dissolves in water.
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
