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प्रश्न
Give a chemical test to distinguish between the following gases.
SO2 and Cl2
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उत्तर
| Sulphur dioxide | Chlorine. |
| Colour of gas: The gas is colourless. | Colour of gas: The gas is greenish-yellow. |
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संबंधित प्रश्न
Complete and balance the following chemical equations:
N2 + O2 →
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Miscible liquids having slightly different boiling points can be separated by the
- evaporation
- distillation
- fractional distillation
- sedimentation
State four conditions necessary for chemical reactions to take place.
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Explain,giving one example of the following chemical changes:
Reversible reaction
What do you observe? When
Water is added to the quick lime.
Complete the following table and write your observations.
|
Hydrogen sulphide |
Ammonia |
Sulphur dioxide |
Hydrogen chloride |
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Shake the gas with red litmus solution |
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Shake the gas with blue litmus solution |
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Apply a burning splint to a gas |
Select the correct answer from the options given below:
State the gaseous product formed, when
An ammonium salt reacts with an alkali.
Which of the following statement is incorrect for a chemical reaction?
How can we prevent rusting?
