What is the role of UV Radiation in water purification systems?
It inactivates the harmful microorganisms in water
It activates the harmful microorganisms in water
It gives pure water by removing dust particles
All the above
Next Question
Chlorofluorocarbons known as ozone-depleting substances are used in which of the following?A. Production of plastic foams
B. In cleaning certain electronic components
C. As pressurizing agents in aerosol coins.
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