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प्रश्न
Name the chemical in which gold can be dissolved.
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उत्तर
Aqua regia
APPEARS IN
संबंधित प्रश्न
Name the gas evolved when dilute hydrochloric acid is added to: Sodium sulphite
Name the gas evolved when dilute hydrochloric acid is added to: Lead (II) sulphide
Name the gas evolved when dilute hydrochloric acid is added to: Magnesium bicarbonate
Give a balanced equation when dilute hydrochloric acid is added to : Potassium bisulphite
How will you identify?
Chlorine gas
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 | _________ | _________ |
How will you prove that hydrochloric acid contains
- hydrogen
- chlorine?
Write equations for the reactions.
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
Complete and balance the following reaction, state whether dilute or cone. 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.
