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प्रश्न
Which, of the following procedures will give you water free from all impurities?
विकल्प
Adding chlorine tablets
Distillation
Boiling
Filtration
उत्तर
Boiling
Explanation -
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.
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