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प्रश्न
Write balanced equation for the following reaction:
Copper oxide and dilute hydrochloric acid.
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उत्तर
CuO + 2HCl → CuCl2 + H2O
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संबंधित प्रश्न
State your observations when Dilute Hydrochloric acid is added to Sodium thiosulphate.
For the preparation of hydrochloric acid in the laboratory:
What arrangement is done to dissolve hydrogen chloride gas in water?
How will the action of dilute hydrochloric acid enable you to distinguish between sodium carbonate and sodium sulphite?
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.
Give a chemical test to distinguish between the following pair of compounds:
Sodium chloride solution and sodium nitrate solution.
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Magnesium sulphite
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
