Chemistry Iodine can be separated from a mixture of Iodine and Potassium Chloride by Sublimation Sedimentation Filtration Distillation Sublimation Sedimentation Filtration Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Ozonolysis Hydrogenation Hydrolysis Oxidation Ozonolysis Hydrogenation Hydrolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is a Semiconductor Conductor Nonconductor Insulator Semiconductor Conductor Nonconductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Sulphur Nitrogen Silicon Alcohol Sulphur Nitrogen Silicon Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour ANSWER DOWNLOAD EXAMIANS APP