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प्रश्न
Name the gas released when sodium carbonate is added to a solution of sulphur dioxide.
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उत्तर
Carbon dioxide
संबंधित प्रश्न
Why is water not added to concentrated H2SO4 in order to dilute it?
Name the products formed when hot and concentrated sulphuric acid reacts with Sulphur.
Give reason for the following:
When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
Complete the following sentence, choosing the correct word from the given options.
"Concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is ____________ in comparison to these two acids."
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
Write the balanced chemical equation for the following conversion:
Lead sulphate from lead nitrate solution and dilute sulphuric acid.
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
Rewrite the following statement by adding the correct word, as shown in the example:
|
Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. |
Sulphuric acid acts as a dehydrating agent.
