CTET paper 2, Feb 2016 Q88

88Read 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 brown colour when kept out for some time.
C. When an ant bites, calamine is used to ease the irritation on skin.

Option : C
Explanation : All the three processes are chemical changes as all shows oxidation reaction.

Forgot your password?

I agree with the Terms.