Chemistry CNG used in automobiles to check pollution, mainly consists of H2 N2 CO2 CH4 H2 N2 CO2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Styrene Methane Ethylene Acetylene Styrene Methane Ethylene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Oxidation Fractional distillation Electrolysis Reduction Oxidation Fractional distillation Electrolysis Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in River water Rain water Distilled water Sea water River water Rain water Distilled water Sea water ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Iron Titanium Aluminium Copper Iron Titanium Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP