Chemistry Which one of the following is a micro-element ? Chlorine Hydrogen Oxygen Nitrogen Chlorine Hydrogen Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a natural Emulsion Solution Mixture Suspension Emulsion Solution Mixture Suspension ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Henry Moseley Dmitri Mendeleev John Dalton Julius Lothar Meyer Henry Moseley Dmitri Mendeleev John Dalton Julius Lothar Meyer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol and H2O Methyl alcohol Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol and H2O Methyl alcohol Ethyl alcohol Ethyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Neon Krypton Helium Argon Neon Krypton Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Nitrogen dioxide Sulphur dioxide Hydrogen sulphide Chlorofluorocarbon Nitrogen dioxide Sulphur dioxide Hydrogen sulphide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP