Water is often treated with chlorine to ________.

increase oxygen content

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kill germs

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remove suspended particles

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remove hardness

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Solution

The correct option is A kill germs
Chlorine have anti-microbial property, hence it is used to kill germs in water.

Water chlorination is the process of adding chlorine or hypochlorite to water. This method is used to kill certain bacteria and other microbes in tap water. In particular, chlorination is used to prevent the spread of waterborne diseases such as cholera, dysentery, jaundice, typhoid etc.

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