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Question

Which of the following statements are correct about ozone?


A
It is used to disinfect water.
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B
It absorbs ultraviolet rays.
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C
It removes large objects from wastewater.
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D
It has no effect on wastewater.
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Solution

The correct options are
A It is used to disinfect water.
B It absorbs ultraviolet rays.
Ozone has various usage. It is used to disinfect water. Germs and bacteria present in water get degrade when ozone is passed through water. Ozone also removes the foul smell from wastewater.
The ozone layer present in the atmosphere protects us from harmful ultraviolet rays by absorbing them. 

Chemistry

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