Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Neon Argon Krypton Helium Neon Argon Krypton Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of isomers for an alkene with molecular formula C4H8 is 3 4 2 5 3 4 2 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of O3 layer SO2 layer CO2 layer O 2 layer O3 layer SO2 layer CO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Plum and cake Plum and pudding Cream and pudding Cream and cake Plum and cake Plum and pudding Cream and pudding Cream and cake ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Robert Boyle John Dalton Antoine Lavoisier Democritus Robert Boyle John Dalton Antoine Lavoisier Democritus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium is produced by the electrolysis of Its cyanide complex Molten sodium chloride Molten sodium carbonate Aqueous brine solution Its cyanide complex Molten sodium chloride Molten sodium carbonate Aqueous brine solution ANSWER DOWNLOAD EXAMIANS APP