Chemistry Rock salt is a mineral containing Sodium Iron Magnesium Potassium Sodium Iron Magnesium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Roasting Oxidation Electrolysis Zone refining Roasting Oxidation Electrolysis Zone refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Copper Mercury Lead Zinc Copper Mercury Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains White phosphorus Red phosphorus Phosphorus trichloride Phosphorus pentoxide White phosphorus Red phosphorus Phosphorus trichloride Phosphorus pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Propane Butane Methane Decane Propane Butane Methane Decane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 97 Kelvin 54 kelvin 77 kelvin 82 Kelvin 97 Kelvin 54 kelvin 77 kelvin 82 Kelvin ANSWER DOWNLOAD EXAMIANS APP