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प्रश्न
Name the gas evolved when dilute hydrochloric acid is added to: Calcium carbonate
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उत्तर
Carbon dioxide
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संबंधित प्रश्न
Name a black metallic oxide which reacts with hydrochloric acid to give a coloured solution.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{Pb3O4 + HCl ->}\]
Calcium oxide and phosphorous pentoxide are very good drying agents but they are not used to dry HCI gas. Give reasons for each.
Give a balanced equation when dilute hydrochloric acid is added to : Zinc Metal
Give a balanced equation when dilute hydrochloric acid is added to : Calcium carbonate
How will you identify?
Chloride ion
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 | _________ | _________ |
Convert Hydrochloric acid to nascent chlorine.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
