Chemistry Colour imparted to the Bunsen flame by strontium salt is Bluish green Apple-green Crimson red Brick red Bluish green Apple-green Crimson red Brick red ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Bakelite Melamine Nylon Decron Bakelite Melamine Nylon Decron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Electrophoresis Precipitation Sedimentation Filteration Electrophoresis Precipitation Sedimentation Filteration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow The low ionisation energy of sodium sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow The low ionisation energy of sodium sublimation of sodium to emit yellow colour ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? Formation of lather with soap None of these Distillation Boiling Formation of lather with soap None of these Distillation Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry What do you understand by the term Espuma ? Foam Salt Calcium Soap Foam Salt Calcium Soap ANSWER DOWNLOAD EXAMIANS APP