Chemistry · Physical and Chemical Changes
Read the following examples from daily life and select the appropriate option: A. When food gets spoiled, it produces a foul smell. B. A slice of apple acquires a brown colour when kept out for some time. C. When an ant bites, calamine is used to ease the irritation on the skin.
- 1A and B are physical changes, while C is a chemical change
- 2B is a physical change, while A and C are chemical changes
- 3A and B represent chemical changes, while C is a physical change
- 4All are chemical changes✓
Correct answer
All are chemical changes
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