Chemistry Total number of halogen elements found in the periodic table is 5 3 13 8 5 3 13 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1019 1.568 x 103 4.84 x 1017 6.023 x 1023 6.023 x 1019 1.568 x 103 4.84 x 1017 6.023 x 1023 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Oxides of nitrogen Lead Carbon monoxide Polycyclic hydrocarbons Oxides of nitrogen Lead Carbon monoxide Polycyclic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of H2 CH4 CO2 N2 H2 CH4 CO2 N2 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 CO CO2 Unburnt petrol SO2 CO CO2 Unburnt petrol SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is nitrogen carbon dioxide hydrogen oxygen nitrogen carbon dioxide hydrogen oxygen ANSWER DOWNLOAD EXAMIANS APP