Chemistry The polymer used in making plastic crockery is Decron Bakelite Nylon Melamine Decron Bakelite Nylon Melamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to sublimation of sodium to emit yellow colour The low ionisation energy of sodium 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 sublimation of sodium to emit yellow colour The low ionisation energy of sodium 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over Antarctica India Europe Africa Antarctica India Europe Africa ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Carbonation Oxidation Hydration Desilication Carbonation Oxidation Hydration Desilication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Collection of dust Oxidation of cellulose Lack of aeration Frequent use Collection of dust Oxidation of cellulose Lack of aeration Frequent use ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium is produced by the electrolysis of Its cyanide complex Aqueous brine solution Molten sodium carbonate Molten sodium chloride Its cyanide complex Aqueous brine solution Molten sodium carbonate Molten sodium chloride ANSWER DOWNLOAD EXAMIANS APP