Chemistry Which of the following metals is not a pollutant ? Aluminium Lead Arsenic Mercury Aluminium Lead Arsenic Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sand and TNT Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal Sand and TNT Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? Fe2O3 FeS2 Fe3O4 FeCO3 Fe2O3 FeS2 Fe3O4 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Cast iron Steel Wrought iron Pig iron Cast iron Steel Wrought iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is Hg SO2 NO2 Lead Hg SO2 NO2 Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Propane Butane Ethane Methane Propane Butane Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
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