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प्रश्न
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
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उत्तर
There is no change in the composition of the substance during a physical change.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Rusting of almirah
State four differences between physical and chemical changes.
Give the main differences between physical changes and chemical changes.
Classify the following as a physical or a chemical change.
Burning of paper
Give four difference between physical and chemical changes.
State which of the following 1 to 5 pertain to – A: Physical Change B: Chemical change :
- Sublimation.
- Fermentation.
- Liquefaction or condensation.
- Magnetization.
- Respiration.
Give the reason why the following is considered as chemical changes.
Copper carbonate on heat gives copper oxide and carbon dioxide.
Name the following.
The salt obtained when a chemical change takes place on the addition of iron to dilute sulphuric acid.
Digestion of food is a physical change.
Keeping a stone in sunlight for few hours is ______.
