Chemistry Which of the following is a natural dye ? Alizarin Aniline blue Crystal violet Phenolphthalein Alizarin Aniline blue Crystal violet Phenolphthalein ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Crude oil Compressed and hardened biomass Deposit of animal waste Coke Crude oil Compressed and hardened biomass Deposit of animal waste Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The laws of electrolysis are given by Ostwald Lewis Arrhenius Faraday Ostwald Lewis Arrhenius Faraday ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Clay Gypsum Alumina Alum Clay Gypsum Alumina Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry A mixture of water and alcohol can be separated by Evaporation Decantation Filtration Distillation Evaporation Decantation Filtration Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Styrene Propane Vinyl chloride Acetylene Styrene Propane Vinyl chloride Acetylene ANSWER DOWNLOAD EXAMIANS APP