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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
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
State the conditions required for the given reaction to take place:
Any two conditions for the conversion of sulphur dioxide to sulphur trioxide
Name the products formed when hot and concentrated sulphuric acid reacts with Sulphur.
Choose the current answer from the options given below :
The catalyst used for the oxidation of SO2 to SO3 in contact process is
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
Write the equation of the following reaction:
Sulphur is heated with concentrated sulphuric acid.
State your observation for the following case :
Dry red rose petals are placed in the jar of sulphur dioxide.
Distinguish between the following pair of compounds using the test given with brackets:
Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)
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.
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid (using lead nitrate solution).
