Lakhmir Singh & Manjit Kaur - Science

Book: Lakhmir Singh & Manjit Kaur - Science

Chapter: 18. Pollution of Air and Water

Subject: Chemistry - Class 8th

Q. No. 41 of Multiple Choice Questions (MCQs)

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41

Which of the following are used in electric water filters to kill all the harmful micro-organisms present in tap water and make it absolutely safe for drinking?

Ultraviolet radiations kill bacteria and viruses and are used in electric water filters to make water safe for drinking.

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