Chemistry Which one of the following is a micro-element ? Oxygen Hydrogen Nitrogen Chlorine Oxygen Hydrogen Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Alum Soda powder Bleaching powder Borax powder Alum Soda powder Bleaching powder Borax powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Nitric oxide gas Sulphur dioxide gas Nitrogen dioxide gas Carbon dioxide gas Nitric oxide gas Sulphur dioxide gas Nitrogen dioxide gas Carbon dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Gold Zinc Iron Copper Gold Zinc Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the major constituent of LPG? Propane Methane Ethane Butane Propane Methane Ethane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Sodium Hydrogen Lithium Helium Sodium Hydrogen Lithium Helium ANSWER DOWNLOAD EXAMIANS APP