Chemistry Which one of the following is a micro-element ? Oxygen Hydrogen Nitrogen Chlorine Oxygen Hydrogen Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? CO2 Chlorofluorocarbons CH4 N2O CO2 Chlorofluorocarbons CH4 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Lead Copper Cadmium Chromium Lead Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 6 3 7 4 6 3 7 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry One carat of diamond is equal to 200 mg 250 mg 150 mg 100 mg 200 mg 250 mg 150 mg 100 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleons are regarded as composites sub-particles known as Mesons Photons Quarks Leptons Mesons Photons Quarks Leptons ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS