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?
A. infrared radiation
B. gamma radiation
C. visible radiation
D. ultraviolet radiation
Answers
Answered by
1
Answer:
Ultraviolet radiation
Explanation:
Ultraviolet radiations kill bacteria and viruses and are used in electric water filters to make water safe for drinking.
Answered by
1
D. Ultraviolet radiation is used to kill all the harmful micro-organisms.
Explanation:
- Increasing industries and technology helps a human to led a fast life.
- But, it has adverse effect on the natural resources.
- One of the natural resources include water which contains many pollutants in it.
- Some of the process are included to purify the water. The processes include Chlorination of water Source, Active Carbon filter, Biosand filter, Reverse Osmosis filters, Ceramic filters, lon exchange resins filters and Ultra Violet (UV) filters.
- Ultra Violet (UV) filters use UV ray. This filter kills 99% of microbes or pathogen by damaging their DNA cells. But these filters cannot filter suspended particles. It cannot renounce colour, taste and smell of the water.
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