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Dissolution and dilution : Water soluble1 miscible chemical wastes which are harmless in high dilution may be run into the drainage with plenty of water. It may be noted that alkali wastes also come under this category of treatment.
Examples: Acetone, methanol, ethanol, dioxan, acetic acid, ethyl methyl ketone, ammonia (solution), hydrogen peroxide, oxalic acid, dimethyl sulphoxide, hydroquinone , p-benzoquinone, ammonium sulphide, potassium hydroxide and sodium hydroxide.
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DISPOSAL OP CARCASS : After the experiment with an animal is over, the dead animal, i.e. carcass should not be left in the laboratory. The dead animals start decaying and putr
Pollution due to Noise: Sound is an important means of communication, but high levels of noise could damage hearing, and cause deterioration in capacity to concentrate on
Theories of evolution of man Towards the beginning of the nineteenth century, scientists had already started doubting the theory of special creation and various attempts were
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Blood - Abnormal Constituent of Urine In acute inflammation and trauma, blood may be present in the urine. This condition is known as haematuria. Blood may be present in cancer
What is happening to the length of a day on the Earth, as a result of the gravitational pull of the Moon?
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what are good conductors of heat?why is advantages to have ventilators in houses at the top of walls?
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