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प्रश्न
Name the chemical in which gold can be dissolved.
उत्तर
Aqua regia
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संबंधित प्रश्न
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
Name the following:
Acid used to extract glue from bones.
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: Potassium bisulphite
How will you identify?
Chloride ion
How will you prove that hydrochloric acid contains
- hydrogen
- chlorine?
Write equations for the reactions.
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.
\[\ce{NA4OH + HCl -> }\]
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 conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
