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प्रश्न
State your observation for the following case:
Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.
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उत्तर
The bleaching effect of sulphur dioxide causes the pink tint of potassium permanganate paper to turn colourless.
संबंधित प्रश्न
State your observations when Concentrated Sulphuric acid is added to Sugar Crystals
Identify the acid in the following case:
The acid which produces sugar charcoal from sugar.
Distinguish between the given pairs of compounds using the test given within brackets:
Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)
Define the following term : Dehydrating agent
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.
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 : Carbon dioxide
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.)
Give a balanced chemical equation for the action of sulphuric acid on the following:
Potassium hydrogen carbonate
Give two balanced reactions of the type to show the following property of sulphuric acid:
Dehydrating nature
