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प्रश्न
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
उत्तर
Sulphur dioxide :
\[\ce{Na2SO3 + H2SO4 -> Na2SO4 + H2O + SO2}\]
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संबंधित प्रश्न
Write balanced chemical equations to show : The oxidizing action of conc. Sulphuric acid on carbon
State your observations when Concentrated Sulphuric acid is added to Sugar Crystals
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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 property of sulphuric acid:
Non-volatile nature
Give reason for the following:
When concentrated sulphuric acid is added to sugar/glucose, a black mass is left behind.
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
Copy and complete the following table.
Column 3 has the names of gases to be prepared using the substance you enter in column 1, along with dilute or concentrated sulphuric acid, as indicated in column 2.
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated sulphuric acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Write the equation for the laboratory preparation of :
(i) Sodium sulphate using dilute sulphuric acid.
(ii) Lead sulphate using dilute sulphuric acid.
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
