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प्रश्न
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
विकल्प
Sulphur dioxide
Carbon dioxide
Hydrogen sulphide
Nitrogen dioxide
Sulphur trioxide
Vapour of sulphuric acid
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उत्तर
Hydrogen sulphide
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संबंधित प्रश्न
Write balanced chemical equations to show The dehydrating property of conc. Sulphuric acid with sugar.
Give two balanced reactions of the type to show the following property of sulphuric acid:
Non-volatile nature
What would you observe in the following case?
Concentrated sulphuric acid is added to equal volumes of cold water.
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
Give examples of the use of sulphuric acid as
Non-volatile acid
Write balanced equation for the reaction between iron and dilute sulphuric acid.
State your observation for the following case:
Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid (using lead nitrate solution).
