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प्रश्न
State one relevant observation for the following
When hydrogen sulfide gas is passed through lead acetate solution.
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उत्तर
When hydrogen sulfide gas is passed through lead acetate solution, it forms a black precipitate of lead sulfide.
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संबंधित प्रश्न
State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.
Write an equation for the reaction of hydrochloric acid on the silver nitrate solution.
Name an element which reacts with hydrogen to form a compound which is strongly acidic in water.
Name the following:
A metallic oxide which reacts with hydrochloric acid to give a coloured solution.
- What must be added to sodium chloride to prepare hydrogen chloride?
- Write the equation for the reaction which takes place in question (a).
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Magnesium sulphite
Write observation:
Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
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.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
