Filtered water may still have ______ in it.

Salts

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Germs

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Glucose

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All of these

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Solution

The correct options are
A
Salts

B
Germs

C
Glucose

Filtration is a physical method to remove impurities. Some dissolved salts and minerals remain in water even after filtration. This is because salts, germs, minerals and some other substances can pass through a filter paper or filtering candle. But stone and other similar impurities can be removed during the filtration stage.

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