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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 equation:
\[\ce{Pb(NO3)2 ->[Heat]}\]
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
TRUE \ FALSE
A precipitation reaction takes place only in a solution.
What are homogenous reactions ?
Copper carbonate when heated, it turns :
Explain by writing a word equation.
Respiration is a chemical change.
Distinguish by dilute sulphuric acid.
Copper and magnesium?
Give a suitable example with an equation to show the representation of a chemical reaction.
The changes in which new substance with new chemical properties are formed are ______.
What are the chemical reactions that occur in everyday life?
