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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.
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संबंधित प्रश्न
State one relevant observation for given reactions:
Addition of ethyl alcohol to acetic acid in the presence of concentrated Sulphuric acid
The acid which is used in the preparation of a volatile acid
Distinguish between the given pairs of compounds using the test given within brackets:
Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)
Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with Ethanol?
Why is H2SO4 is not used as a drying agent for H2S?
Name the following:
Products obtained by treating ferrous sulphide with dilute sulphuric acid.
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with iron (II) sulphide.
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
