Hamad Chemical Environmental Engineering 14/09/2020 A. 1 B. 10 C. 250 D. 1000 Related Mcqs: Global warming may result in __________________?A. Flood B. Cyclone C. Decrease in food productivity D. All A., B. and C.... Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called__________________?A. Grit B. Dust C. Powder D. Smoke... Noise level inside a jet airliner in normal flight is about ______________ decibels?A. 80 B. 100 C. 125 D. 150... Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of _____________ present in it?A. Coal ash B. Potassium cyanide C. Ortho-xylene D. None of these... Exposure to small amount of ______________ results in high blood pressure & heart disease in human beings?A. Hydrogen sulphide B. Mercury C. Cadmium D. Asbestos...
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