Question

A lake ha been polluted by sewage. on comparison with the sample unpolluted water, the water in the lake is found to have increased contents of some components. Identify these components.

Answer 1

Sewage usually contains organic substances. The decomposition of these substances by decomposers nitrogenous compounds in water.

Answer 2

Question

A lake had been polluted by sewage. on comparison with the sample unpolluted water, the water in the lake is found to have increased contents of some components. Identify these components.

Answer

The sewage in the water might have many impurities and dirt . Inorganic compounds as well so this components can be called as nitrogenous compound.

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