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Evaporation
Highly volatile liquid wastes could be disposed of by effective ventilation.
Example : Diethyl et-her.
Moderately volatile liquid wastes can be absorbed on sand and left for evaporation in an open area.
Examples : Ethyl acetate, hexane, petroleum ether, amyl alcohol, carbon disulphide and carbon tetrachloride.
Specific gravity and pH of Urine Normally, the first morning urine has a specific gravity of 1.015 to 1.020. Normal urine is usually slightly acidic with a pH of about 6.0.
Discuss in brief about the Red soils Red soils are characterised by a rusty red colour due in most cases to the presence of various oxides of iron. They are either formed in
Chemical reactivity : The substances which react violently or produce flame on contact with water can be given suitable chemical treatment to convert them into nonreactive form be
what is law of motions
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#1.During take-off, the wing of the airplane is actually subjected to a cyclic stress range of 150 MPa at a stress ratio of 0.1. Estimate the mean stress intensity factor, and the
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Explain the Functions of Unicellular Organism You might wonder what functions a single-celled organism is capable of performing. Surprisingly, a unicellular organism is able to
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