Chemistry Impure camphor is purified by Fractional distillation Steam distillation Fractional crystallisation Sublimation Fractional distillation Steam distillation Fractional crystallisation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap is prepared by boiling caustic soda with Alcohol Fats Kerosene oil Glycerine Alcohol Fats Kerosene oil Glycerine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Potassium Lithium Cadmium Sodium Potassium Lithium Cadmium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 1 1 : 1 : 1 1 : 16 : 2 2 : 16 : 2 2 : 16 : 1 1 : 1 : 1 1 : 16 : 2 2 : 16 : 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is a polymer of Isopentane Isobutane Isoprene Chloroprene Isopentane Isobutane Isoprene Chloroprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Carbon dioxide Oxides of nitrogen Oxides of sulphur Carbon monoxide Carbon dioxide Oxides of nitrogen Oxides of sulphur Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP