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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 |
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संबंधित प्रश्न
Select from the list the gas that matches the description given in case
[ammonia, ethane, hydrogen chloride, hydrogen sulfide, ethyne]
This gas has a characteristic rotten egg smell.
Dry hydrogen chloride gas can be collected by ________ displacement of air. (downward / upward)
Explain why anhydrous HCl is a poor conductor while aqueous HCl is an excellent conductor.
Give reason for the following:
An aqueous solution of chlorine in acidic in nature
Hint : Cl2 + H2O ⟶ HCl +HClO
Name the following:
Five oxidizing agents that liberated chlorine from concentrated hydrochloric acid.
Name the following:
A metallic oxide which reacts with hydrochloric acid to give a coloured solution.
Write balanced equcation for the following reaction:
Manganese (IV) oxide and concentrated hydrochloric acid.
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Sodium hydrogen carbonate
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Magnesium sulphite
Write observation:
A small piece of zinc is added to dilute hydrochloric acid.
