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प्रश्न
State one relevant observation for given reactions:
Action of concentrated Sulphuric acid on hydrated copper sulfate
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उत्तर
Concentrated sulphuric acid removes water of crystallization from blue-colored hydrated copper sulfate to form white anhydrous copper sulfate.
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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 two balanced reactions of the type to show the following property of sulphuric acid:
Oxidising agent
Give reason for the following:
When barium chloride is added to dilute sulphuric acid, a white precipitate is formed.
Give reason for the following:
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
Describe the reaction that show
Concentrated sulphuric acid is a dehydrating agent.
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 : Sulphur dioxide
What do you see when concentrated sulphuric acid is added to copper sulphate-5-water ( You are not required to say what is happing, nor is it necessary to name the products.)
Rewrite the following statement by adding the correct word, as shown in the example:
|
Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. |
Sulphuric acid acts as a dehydrating agent.
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.
