Chemistry Which is the purest form of iron? Cast iron Steel Pig iron Wrought iron Cast iron Steel Pig iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Endothermic reaction Exothermic reaction Photochemical reaction Physical change Endothermic reaction Exothermic reaction Photochemical reaction Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High flammability Low reactivity with metal Ability to lower the melting point of the metal High calorific value High flammability Low reactivity with metal Ability to lower the melting point of the metal High calorific value ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap helps in better cleaning of clothes because It gives strength to solution It absorbs the dirt Soap acts like catalyst It reduces the surface tension of solution It gives strength to solution It absorbs the dirt Soap acts like catalyst It reduces the surface tension of solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Glycerol Ethyl alcohol Propyl alcohol Methyl alcohol Glycerol Ethyl alcohol Propyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Oxides of nitrogen Lead Carbon monoxide Polyclinic hydrocarbons Oxides of nitrogen Lead Carbon monoxide Polyclinic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP