Hamad Chemical Environmental Engineering 15/09/2021 A. Colloids or aerosols B. Powder C. Dust D. Smoke Related Mcqs: Workers working in _______________ industry are most prone to white lung cancer?A. Coal mining B. Limestone mining C. Textile D. Asbestos... Which is the most practical and economical method for removal of suspended solid matter from polluted water ?A. Sedimentation B. Skimming off C. Chlorination D. Biological oxidation... Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about ______________ decibels?A. 75 B. 95 C. 120 D. 140... Carcinogenic air pollutants cause__________________?A. Bone decay B. Cancer C. Asphyxiation (suffocation) D. Anemia... Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the_______________?A. Forestation B. Rain C. Green house effect D. Vegetation...
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