Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Neon Helium Nitrogen Argon Neon Helium Nitrogen Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Fractional crystallisation Fractional distillation Sublimation Steam distillation Fractional crystallisation Fractional distillation Sublimation Steam distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main compound of voter ink? Ammonium Chloride Silver Chloride Ammonium Nitrate Silver nitrate Ammonium Chloride Silver Chloride Ammonium Nitrate Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodine can be separated from a mixture of Iodine and Potassium Chloride by Distillation Filtration Sublimation Sedimentation Distillation Filtration Sublimation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Mustard gas Carbon monoxide Water gas Hydrogen cyanide Mustard gas Carbon monoxide Water gas Hydrogen cyanide ANSWER DOWNLOAD EXAMIANS APP
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