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प्रश्न
Name the chemical in which gold can be dissolved.
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उत्तर
Aqua regia
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संबंधित प्रश्न
Name a chloride which is solube in excess of ammonium hydroxide
Name the experiment which demonstrates that hydrogen chloride is soluble in water.
Complete the following reaction and balance them.
Zn+ 2HCl ⟶
Name the following:
Acid used to extract glue from bones.
Choose the correct answer from the options given below:
Which of the following statement is not correct ?
Name the gas evolved when dilute hydrochloric acid is added to: Sodium sulphite
- Give only one suitable chemical test to identify the following gases.
- Ammonia
- Sulphur dioxide
- Hydrogen chloride
- Chlorine
- Carbon dioxide
- Oxygen
- Hydrogen
- Select a basic gas mentioned in Q. (a). How is the basic nature suspected?
- Select acidic gases from the gases mentioned in Q. (a). How is the acidic nature suspected?
- The two gases A and B are bleaching agents. A is greenish-yellow and bleaches due to its oxidizing property while B is a colourless gas that bleaches due to reduction. Identify A and B?
- Which gas turn blue cobalt chloride paper light pink? Give one similarity in the test between
- Cl2 and HCl
- SO2 and CO2.
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 it is dilute or cone. acid is used.
\[\ce{NH_4OH + HCl ->}\]
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
