Related Questions

A. some towns in Bangladesh are polluted B. All polluted towns should be destroyed C. Town Dhaka should be destroyed D. Town Dhaka is polluted E. Some towns in Bangladesh should be destroyed
Each question consists of five statements following by options consisting of three statements put together in a specific order. Choose the option which indicates a valid argument, that is, where the third statement is a conclusion drawn from the preceding two statements. A.Some towns in Bangladesh are polluted .B.All polluted towns should be destroyed.C.Town Dhaka should be destroyed.D.Town Dhaka is polluted.E.Some towns in Bangladesh should be destroyed
The amount of chemical coagulant added for treatment of polluted water __________ with increase in temperature of the polluted water to be treated.
Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes
Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is
Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in
The polluted water is one which
Which is the most practical and economical method for removal of suspended solid matter from polluted water?
Radioactive substances present in the polluted water stream can be removed by
Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances.