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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
In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.
Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with Ethanol?
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
How are the following conversion brought about? Give equation and condition:
Sucrose to sugar charcoal.
Give main difference between drying agent and dehydrating agent.
The following statement is correct only under certain conditions. Rewrite the statement including the appropriate conditions.
Oxalic acid reacts with sulphuric acid to produce carbon monoxide and carbon dioxide.
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
Give balanced chemical equation to prepare the following salt:
Lead sulphate from lead carbonate
An acid obtained from concentrated nitric acid on reaction with Sulphur ______.
Complete the table given below:
| Name of the process | Reactants | Acid product formed |
| (a) ______ | Nitrogen dioxide + water + oxygen | (b) ______ |
| (c) ______ | Oleum + water | Sulphuric acid |
