Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Lead Copper Cadmium Chromium Lead Copper Cadmium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Bacterial action in soil and swamp areas Forest fire All of these Automobile exhaust Bacterial action in soil and swamp areas Forest fire All of these Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Urea Ammonium nitrate Ammonium sulphate Superphosphate Urea Ammonium nitrate Ammonium sulphate Superphosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in Dynamo Electric heaters Atomic bombs A battery Dynamo Electric heaters Atomic bombs A battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Galvanisation Reduction Sublimation Corrosion Galvanisation Reduction Sublimation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a None of these Metal Element Mixture None of these Metal Element Mixture ANSWER DOWNLOAD EXAMIANS APP
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