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प्रश्न
In the given equation identify the role played by concentrated sulphuric acid S + 2H2SO4→ 3SO2 + 2H2O
विकल्प
Non-volatile acid
Oxidising agent
Dehydrating agent
None of the above
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उत्तर
Oxidising agent
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संबंधित प्रश्न
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric 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:
When concentrated sulphuric acid is added to sugar/glucose, a black mass is left behind.
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
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
Give a balanced chemical equation for the action of sulphuric acid on the following:
Sulphur
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with iron (II) sulphide.
