Question
What is the role of Ultraviolet Radiation (UV)
in the water purification systems? 1. It inactivates/kills the harmful microorganisms in water 2. It removes all the undesirable odours from the water Select the correct answer;- (a) 1 only (b) 1 and 2 both (c) 2 only (d) Neither 1 and nor 2Solution
Activated carbon or activated charcoal is commonly used to remove undesirable odors from water. Activated carbon is a highly porous material that can effectively adsorb organic compounds that cause odor, such as hydrogen sulfide and volatile organic compounds (VOCs), as well as other impurities that may be present in the water.
How many person sits between A and L, when counted left of L?
Who among the following person sits seventeenth from the right end?
Which of the following colour does E like?
Seven toddlers T1, T2, T3, T4, T5, T6 and T7 are sitting around a circular table, facing towards the centre (not necessarily in the same order). T5 is t...
Who among the following person sits opposite to W?
D likes which of the colour?
Who among the following likes G?
Who is the husband of V?
What is the position of A with respect to D?
The one who sits second to the right of Hitesh sells which of the following items?
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