Chemistry The first metal used by a man was Copper Brass Bronze Silver Copper Brass Bronze Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is vinyl chloride ethyl alcohol ethylene None of these vinyl chloride ethyl alcohol ethylene None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Insecticide Pesticide Disinfectant Fertilizer Insecticide Pesticide Disinfectant Fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Reduction in plant's productivity owing to acid rain Corrosion building materials All of these Respiratory and lung disease Reduction in plant's productivity owing to acid rain Corrosion building materials All of these Respiratory and lung disease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Isobars are lines joining places having equal Population Rainfall Pressure Height above sea-level Population Rainfall Pressure Height above sea-level ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Fumes Aerosols Smoke Mists Fumes Aerosols Smoke Mists ANSWER DOWNLOAD EXAMIANS APP