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प्रश्न
Give balanced chemical equations for the action of sulphuric acid on the following:
Potassium hydrogen carbonate.
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उत्तर
An action of sulphuric acid on potassium hydrogen carbonate
2KHCO3 + H2SO4 → K2SO4 + 2H2O + 2CO2↑
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संबंधित प्रश्न
Name the products formed when hot and concentrated sulphuric acid reacts with Sulphur.
What would you observe in the following case?
Hot concentrated sulphuric acid is added to sodium chloride crystals.
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
Choose the current answer from the options given below :
When conc. H2SO4 comes in contact with sugar, it becomes black due to
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
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.
Write the equation of the following reaction :
Concentrated sulphuric acid is poured over sugar
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
Write a balanced equation for the following conversion:
Lead sulphate from lead nitrate and sulphuric acid.
