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प्रश्न
Name the gas evolved when dilute hydrochloric acid is added to: Sodium sulphite
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उत्तर
Sulphur dioxide
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संबंधित प्रश्न
Calcium oxide and phosphorous pentoxide are very good drying agents but they are not used to dry HCI gas. Give reasons for each.
Name the gas evolved when dilute hydrochloric acid is added to: Calcium carbonate
Name the gas evolved when dilute hydrochloric acid is added to: Magnesium bicarbonate
Write the steps needed for flame test ?
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 | _________ | _________ |
- Give only one suitable chemical test to identify the following gases.
- Ammonia
- Sulphur dioxide
- Hydrogen chloride
- Chlorine
- Carbon dioxide
- Oxygen
- Hydrogen
- Select a basic gas mentioned in Q. (a). How is the basic nature suspected?
- Select acidic gases from the gases mentioned in Q. (a). How is the acidic nature suspected?
- The two gases A and B are bleaching agents. A is greenish-yellow and bleaches due to its oxidizing property while B is a colourless gas that bleaches due to reduction. Identify A and B?
- Which gas turn blue cobalt chloride paper light pink? Give one similarity in the test between
- Cl2 and HCl
- SO2 and CO2.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl->}\]
Complete and balance the following reaction, state whether dilute or cone. acid is used.
\[\ce{NH4OH + HCl ->}\]
Complete and balance the following reaction, state whether dilute or cone. acid is used.
\[\ce{NH4OH + HCl->}\]
Complete and balance the following reaction, state whether dilute or conc. acid is used.
NH4OH + HCl ⟶
