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प्रश्न
Give a chemical test to distinguish between the following gases.
HCl and H2S
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उत्तर
| Hydrogen chloride | Hydrogen sulphide |
| Odour of gas: Pungent choking odour. | Odour of gas: Smell as of rotten eggs. |
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संबंधित प्रश्न
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer
Which of the following is a reducing agent?
- oxygen
- chlorine
- hydrogen
- none of these
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Pressure
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Pb(NO3)2 + KI →
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Complete the table given below.
| Addition of dil. H2SO4 to FeS | Odour of gas evolved |
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Circle the odd one out. Give reason for your choice
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(a) Is this a physical or a chemical change?
(b) Can you prepare one acidic and one basic solution by using the products formed in the above process? If so, write the chemical equation involved.
Write five changes in the characteristics of a substance that can take place during a chemical change.
