Chemistry Which of the following is a man-made source of air pollution ? Automobile exhaust Forest fire Bacterial action in soil and swamp areas All of these Automobile exhaust Forest fire Bacterial action in soil and swamp areas All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Acidic soils Alkaline soils Saline soils Podsols Acidic soils Alkaline soils Saline soils Podsols ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is a natural colloid ? Sodium chloride Urea Blood Cane-sugar Sodium chloride Urea Blood Cane-sugar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Sulphurous smog Acid fumes Industrial smog Photochemical smog Sulphurous smog Acid fumes Industrial smog Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element from below list is liquid at room temperature Bromine Argon Lead Zinc Bromine Argon Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Cu Pb Pt Ni Cu Pb Pt Ni ANSWER DOWNLOAD EXAMIANS APP
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