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प्रश्न
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.)
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उत्तर
When concentrated sulphuric acid is added to copper sulphate - 5 water, its colour change to white.
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संबंधित प्रश्न
Give one equation to show the following properties of sulphuric acid:
Dehydrating property
Define the following term : Hygroscopic substance
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 non-volatile 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 : Hydrogen
Write the balanced chemical equation for the following conversion:
Copper sulphate from copper and concentrated sulphuric acid.
Give balanced chemical equation to prepare the following salt:
Lead sulphate from lead carbonate
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
Identify the salts P and Q from the observation given below:
On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution. Which is soluble in ammonium hydroxide solution.
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
State the method of collection of the gas formed above.
