Question : Which of the following is the treatment of water pollution?
Option 1: Bag house filter
Option 2: Windrow composting
Option 3: Venturi scrubber
Option 4: Reserve osmosis
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Correct Answer: Reserve osmosis
Solution : The correct option is Reserve osmosis.
Reverse osmosis is a water treatment technology that involves pushing water through a semipermeable membrane to remove contaminants and impurities. Reverse osmosis is extremely successful in removing pollutants like as germs, viruses, heavy metals, salts, nitrates, and other potentially hazardous chemicals. The purified product is the treated water that flows through the membrane, while the concentrated contaminants are normally discarded as wastewater or brine.
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Question : Water is used in a hot water bag because:
Question : Select the most appropriate option to improve the underlined segment in the given sentence. If there is no need to improve it, select ‘No improvement required’.
I found my bag to lie where I had left it.
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. The effects of plastic bags on the environment are really (1)______ devastating because
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