Chemistry Supersonic jet causes pollution by thinning of O3 layer O 2 layer SO2 layer CO2 layer O3 layer O 2 layer SO2 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Nitrogen Neon Helium Argon Nitrogen Neon Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colloids can be purified by Condensation Condensation Dialysis Condensation Condensation Condensation Dialysis Condensation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap is prepared by boiling caustic soda with Glycerine Kerosene oil Fats Alcohol Glycerine Kerosene oil Fats Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Copper vessel Aluminium vessel Earthen vessel Glass vessel Copper vessel Aluminium vessel Earthen vessel Glass vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Ethylene and carbon monoxide Liquified butane and isobutane Hydrogen and acetylene Methane and ethane Ethylene and carbon monoxide Liquified butane and isobutane Hydrogen and acetylene Methane and ethane ANSWER DOWNLOAD EXAMIANS APP
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