Question

Which of the following is extensively used to kill harmful bacteria?

i. Chlorine

ii. Turpentine

iii. Citric acid

iv. Acetic acid

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Answer 1

Answer:

acetic acid is correct answer

Answer 2

20 Chocolates..

Pehle ₹15 ke 15 chocolate...fir uske 15 empty packets..

3 empty packets ke 1 chocolate

15 empty packets / 3 empty packets

5 chocolates

15 chocolates + 5 chocolates

20 chocolates...