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प्रश्न
A, B, C, and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non volatile acid
C = Oxidizing agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following
1) Preparation of Hydrogen chloride gas
2) Preparation of Copper sulphate from copper oxide.
3) An action of conc. Sulphuric acid on Sulphur.
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उत्तर
1) B
2) A
3) C
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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 each type to show the following properties of sulphuric acid:
Hygroscopic nature
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid.
Name the following:
The precipitate obtained by treating aqueous barium chloride with dilute sulphuric acid.
Give reason for the following:
When barium chloride is added to dilute sulphuric acid, a white precipitate is formed.
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation each to illustrate the properties of sulphuric acid mentioned above.
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with sodium sulphite.
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.
