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प्रश्न
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
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उत्तर
Litmus turns blue to red, and then gets bleached.
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संबंधित प्रश्न
Name the products formed when hot and concentrated sulphuric acid reacts with NaOH.
Define the following term : Dehydrating agent
Name the following:
Products obtained by treating zinc with dilute sulphuric acid.
Give reason for the following:
When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
Give reason for the following:
Sulphuric acid can form two kinds of salts with sodium chloride.
Name the anion [negative ion] present in the following compound:
Compound D when warmed with dilute H2SO4 gives a gas which turns acidified potassium dichromate solution green.
Give a balanced chemical equation for the action of sulphuric acid on the following:
Sulphur
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid (using lead nitrate solution).
What property of Sulphuric acid is exhibited in the following case?
When concentrated Sulphuric acid reacts with Copper to produce Sulphur dioxide gas.
