Question 9
Which of the following procedures will give you water free from all impurities?
(a) Adding chlorine tablets
(b) Distillation
(c) Boiling
(d) Filtration

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Solution

The answer is (c).
When water is heated, it boils at a temperature of $100^{\circ} C .$ At this high temperature, all the harmful microorganisms (or germs) present in water are killed and it becomes absolutely safe for drinking.

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Question 9
Which of the following procedures will give you water free from all impurities?
(a) Adding chlorine tablets
(b) Distillation
(c) Boiling
(d) Filtration

Q. Which of the following procedures will give you water free from all impurities?

Which of the following procedures will give you water that is free from all impurities?

Drinking water cab be made absolutely safe by adding some:

(a) aspirin tablets

(b) iodine tablets

(d) chlorophyll tablets

Which of the following procedures can be used to obtain water which is free from impurities?

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Question 9 Which of the following procedures will give you water free from all impurities? (a) Adding chlorine tablets (b) Distillation (c) Boiling (d) Filtration

The answer is (c). When water is heated, it boils at a temperature of 100∘C. At this high temperature, all the harmful microorganisms (or germs) present in water are killed and it becomes absolutely safe for drinking.

Question 9
Which of the following procedures will give you water free from all impurities?
(a) Adding chlorine tablets
(b) Distillation
(c) Boiling
(d) Filtration

The answer is (c).
When water is heated, it boils at a temperature of $100^{\circ} C .$ At this high temperature, all the harmful microorganisms (or germs) present in water are killed and it becomes absolutely safe for drinking.