In waste water story Q&A you Have mention the following

Name two chemicals used for disinfecting water.

Solution:

Chlorine and ozone

Is Ozone a Chemical. If Yes where it is mention

 Ozone is a chemical . we call those substances as a chemical substance which reacts with other chemical substances to form another chemical substances. Ozone does the same so it is a chemical 

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Hi,

Your friend has posted the correct answer. Ozone kills the bacteria in water by its chemical action and hence ozone is a chemical.

Hope it helps.

@Tanveer:very good attempt. Keep it up!

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 thanks mam

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Thanks Tanveer and Madame Prerna. I did more googly after your reply and got the answer

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