Chemistry The main active constituent of tea and coffee is aspirin caffeine chlorophyll nicotine aspirin caffeine chlorophyll nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Chlorine Iodine Fluorine Bromine Chlorine Iodine Fluorine Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Residual chlorine Combined available chlorine Free chlorine Free available chlorine Residual chlorine Combined available chlorine Free chlorine Free available chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compounds has fruity smell? Ester Ether Aldehyde Alcohol Ester Ether Aldehyde Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Positrons Protons Neutrons Electrons Positrons Protons Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitrogen dioxide Nitrogen Ammonia Nitric acid Nitrogen dioxide Nitrogen Ammonia Nitric acid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS