Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Cadmium Lead Copper Chromium Cadmium Lead Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Sodium hydroxide Soda ash Caustic potash Caustic soda Sodium hydroxide Soda ash Caustic potash Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Reduction Oxidation Fractional distillation Electrolysis Reduction Oxidation Fractional distillation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Corrosion Sublimation Galvanisation Reduction Corrosion Sublimation Galvanisation Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ammonial is a mixture of Aluminium powder and potassium nitrate Aluminium powder and ammonium chloride Aluminium powder and ammonium nitrate Aluminium powder and ammonium sulphate Aluminium powder and potassium nitrate Aluminium powder and ammonium chloride Aluminium powder and ammonium nitrate Aluminium powder and ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of SO2 CO Unburnt petrol CO2 SO2 CO Unburnt petrol CO2 ANSWER DOWNLOAD EXAMIANS APP
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