Chemistry Supersonic jet causes pollution by thinning of O3 layer CO2 layer O 2 layer SO2 layer O3 layer CO2 layer O 2 layer SO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Hydrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Aspirin Benzene Chloride Picric acid Aspirin Benzene Chloride Picric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Earthen vessel Copper vessel Aluminium vessel Glass vessel Earthen vessel Copper vessel Aluminium vessel Glass vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Radium Phosphorus-31 Tritium Carbon-14 Radium Phosphorus-31 Tritium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a colloidal system in which: Fat and water are dispersed in each other Fat is dispersed in water Water is dispersed in fat Fat is dissolved Fat and water are dispersed in each other Fat is dispersed in water Water is dispersed in fat Fat is dissolved ANSWER DOWNLOAD EXAMIANS APP