Q.62
Which is the first zone of purification in a sand bed?
Official ICAR JRF/SRF 2024 solved question paper with verified bilingual step-by-step solutions.
Which of the following device is used to prevent the clogging of sewer pipes?
Which of the following gas is released when alum is added to water?
Which of the following is not commonly used as a filter material in the treatment of water?
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