Chemistry The working of a dry cell is based on Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis Combination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant rare gas in the atmosphere is Ne Xe He Ar Ne Xe He Ar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by Using energy efficient appliances All of these Recycling waste materials Commuting by public transport Using energy efficient appliances All of these Recycling waste materials Commuting by public transport ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Na Fe Ag Hg Na Fe Ag Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is ethylene vinyl chloride None of these ethyl alcohol ethylene vinyl chloride None of these ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS