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.
- If [5a - (1/2a)] = 7, then find the value of [25a² + (1/4a²) - 3]
A carriage travelling in fog passed along a man who was walking @ 6 km/hr in the same direction. He could see the carriage for 8 minutes and it was visi...
In △ ABC, AB = AC. A circle drawn through B touches AC at D and intersect AB at P. If D is the midpoint of AC and AP = 2.5 cm, then AB is equal to:
If [x + (1/x) ] = 6, then find the value of [x 3 + (1/x 3) ].
If (x - 1) 3 + (y - 2) 3 + (z - 3) 3 + 3(x + y - 3)(y + z - 5)(x + z - 4) = 0, then what is the value of (x + y +...
- If x + 4y = 26 and 4x + y = 41, then find the value of (x - y).
If √x + (1/√x) = 11, then find the value of x + (1/x).
What is the simplified form of the expression?
(1 + x) (1 + x²) (1 + x⁴) (1 + x⁸) (1 – x)?
A.(1-x40)
B.(1-x1...
- Suppose [a + (1/16a)] = 3, then the value of [16a³ + (1/256a³)] is:
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