Question

Choose the odd one out. Give reasons for the choice.

a. Talc, Paracetamol, Aspirin, Penicillin

b. Shampoos, lipsticks, phenol, talc​

Answer 1

Answer:

Disinfectants are strong chemicals used for destroying germs and microbes from surfaces, spots and places. They are strong and are not applied on the human body. Commonly used disinfectants are phenol, lime, formalin, DDT, bordeaux, etc.

An antiseptic is a mild chemical that is applied on the skin or body to kill germs. They prevent or arrest the growth of germs or microbes. Commonly used antiseptics are benzoic acid, dettol, iodine, boric acid, etc.

Formalin, DDT and lime are disinfectants whereas iodine is an antiseptic. So, the answer is Iodine.

Answer 2

Answer:

A. Talc because it's not a medicine.

B. Phenol because it is a chemical.

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