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प्रश्न
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the carbon.
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उत्तर
When sulphuric acid reacts with carbon, it forms carbon dioxide and sulphur dioxide gas.
\[\ce{C + 2H2SO4 -> \underset{dioxide}{\underset{carbon}{CO2}} + 2H2O + \underset{dioxide}{\underset{sulphur}{2SO2 ↑}}}\]
संबंधित प्रश्न
Copy and complete the following table:
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Name the following:
Solution obtained by dissolving sulphur trioxide in 98% sulphuric acid.
How are the following conversion brought about? Give equation and condition:
Aqueous lead nitrate to lead sulphate.
How will you distinguish between conc. HCl and conc. H2SO4?
In using sulphuric acid to prepare other acids, as mentioned above, which property of sulphuric acid is used ?
Making use only of substances chosen from those given below:
Dilute sulphuric acid
Sodium carbonate
Zinc
Sodium sulphite
Lead
Salcium carbonate
Give the equation for the reaction by which you could obtain:
(i) Hydrogen
(ii) Sulphur dioxide
(iii) Carbon dioxide
(iv) Zinc Carbonate (two steps required).
How will you identify?
Sulphur dioxide gas
Sulphuric acid is manufactured by the contact process.
Why H2SO4 is not obtained by directly reacting SO3 with water?
Sulphuric acid is manufactured by the contact process
Name a gas that can be oxidized to sulphur.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sulphur.
