MCQ
Which of the following is not a physical change?
- ABoiling of water to give water vapour.
- BMelting of ice to give liquid water.
- CDissolution of salt in water.
- ✓Combustion of Liquefied Petroleum Gas $\text{(LPG)}.$
✓
Answer
Correct option: D.
Combustion of Liquefied Petroleum Gas $\text{(LPG)}.$
Combustion of Liquefied Petroleum Gas $\ce{(LPG)}$ this is not a physical change, it is a chemical change as once it is burnt, the smoke particle cannot be changed into Liquefied Petroleum Gas again.
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