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प्रश्न
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
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उत्तर
Litmus turns blue to red, and then gets bleached.
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संबंधित प्रश्न
Write a balanced chemical equation for the following:
Action of concentrated sulphuric acid on Sulphur.
Give appropriate scientific reasons for The electrical conductivity of acetic acid is less in comparison to the electrical conductivity of dilute sulphuric acid at a given concentration.
Give two balanced reactions of the type to show the following property of sulphuric acid:
Non-volatile nature
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
How are the following conversion brought about? Give equation and condition:
Sodium chloride to hydrogen chloride.
Describe the reaction that show
Concentrated sulphuric acid is a non-volatile acid.
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Copper sulphate from copper.
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with potassium nitrate?
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.
