Hamad Chemical Environmental Engineering 01/05/2021 A. Forest fire B. Deforestation C. Volcanic eruption D. None of these Related Mcqs: Which of the following is not a natural source of air pollution ?A. Volcanic eruptions and lightening discharges B. Biological decay of vegetable matter C. Photochemical oxidation of organic matter D. None of these... TLV of mercury in potable (drinking) water is about ______________ ppm?A. 0.001 B. 0.1 C. 1 D. 5... The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant ?A. Chlorine B. Alkalis C. Benzene hexachloride D. Alkyl benzene sulphonate (ABS)... A ‘body’ which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the________________?A. Global warming B. Green house C. Atmospheric effect D. Ionosphere... Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as________________?A. Photochemical smog B. Peroxyacetyl nitrate (PAN) or methyl nitrite C. Benzopyrene D. Polyacrylonitrile...
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