Chemistry The main active constituent of tea and coffee is nicotine chlorophyll caffeine aspirin nicotine chlorophyll caffeine aspirin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Carbon monoxide Nitrogen Neon Carbon dioxide Carbon monoxide Nitrogen Neon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, carbonate ore of Zinc is Zincite Zincblende Sphalerite Calamine Zincite Zincblende Sphalerite Calamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 146 330 92 238 146 330 92 238 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Plutonium Thorium Zirconium Uranium Plutonium Thorium Zirconium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap is prepared by boiling caustic soda with Kerosene oil Alcohol Glycerine Fats Kerosene oil Alcohol Glycerine Fats ANSWER DOWNLOAD EXAMIANS APP