Chemistry The term 'brown air' is used for Sulphurous smog Photochemical smog Acid fumes Industrial smog Sulphurous smog Photochemical smog Acid fumes Industrial smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Diesel Coal-tar Camphor Charcoal Diesel Coal-tar Camphor Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of protons and neutrons All of these electrons and protons electrons and neutrons protons and neutrons All of these electrons and protons electrons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Aluminium sulphide Hydrogenated wafers Hydrogen sulphide Aluminium phosphide Aluminium sulphide Hydrogenated wafers Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry White coal is None of these Uranium Hydro-electricity Diamond None of these Uranium Hydro-electricity Diamond ANSWER DOWNLOAD EXAMIANS APP