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10 questions
What does chlorination do to the water?
Removes germs
Cleans the water
Makes the water taste nice
Removes twigs and sediment
What is the best way to purify water?
Add salt
Put inside the refrigerator
Filtration or Boiling
Find a very clean stream of water
By drinking unclean water, one may get disease like
malaria
dengue
chikungunya
cholera
Dust and other suspended particles present in unclean water can be removed by __
boiling
keeping it in fridge
filtration
chlorination
Our body requires and uses water for _
breathing
digestion of food
preparation of food
potable water is water which is fit for drinking
True
False
Washing clothes at the river bank.
Good
Bad
Watering plants using a sprinkler.
Right
Wrong
Germs , present in water, may be killed by-
Chlorination
simple filtration
storing it in covered containers
storing it for many days
Method of cleaning _____________________.
Purification
Chlorination
Filtration
Boiling
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