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प्रश्न
A solution of hydrogen chloride in water is prepared. The following substances are added to separate portions of the solution:
| S. No. | Substances added | Gas evolved | Odour |
| 1. | Calcium carbonate | _________ | _________ |
| 2. | Magnesium ribbon | _________ | _________ |
| 3. | Manganese (IV) oxide with heating | _________ | _________ |
| 4. | Sodium sulphide | _________ | _________ |
Complete the table by writing the gas evolved in each case and its odour.
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उत्तर
| S. No. | Substances added | Gas evolved | Odour |
| 1. | Calcium carbonate | CO2 | Odourless |
| 2. | Magnesium ribbon | H2 | Odourless |
| 3. | Manganese (IV) oxide with heating | Cl2 | Strong Pungent odour |
| 4. | Sodium sulphide | H2S | Rotten egg |
संबंधित प्रश्न
Potassium sulfite on reacting with hydrochloric acid releases _______ gas. (Cl2, SO2, H2S)
Name the gas that is produced in the given cases :
An action of dilute hydrochloride acid on sodium sulphide.
Write an equation for the reaction of hydrochloric acid on caustic soda solution.
Write an equation for the reaction of hydrochloric acid on zinc carbonate.
Explain why dilute hydrochloric acid cannot be concentrated by boiling beyond 22.2%.
Give reason for the following:
An aqueous solution of chlorine in acidic in nature
Hint : Cl2 + H2O ⟶ HCl +HClO
How will the action of dilute hydrochloric acid enable you to distinguish between sodium carbonate and sodium sulphite?
Convert two soluble metallic nitrates to insoluble metallic chlorides using dil. HCl.
Write balanced equation for the following reaction:
Copper oxide and dilute hydrochloric acid.
Write an equation for the reactions of hydrochloric acid on manganese (IV) oxide.
