Chemistry Conduction band electrons have more mobility than holes because they Experience collision less frequently Have negative charge Are lighter Need less energy to move them Experience collision less frequently Have negative charge Are lighter Need less energy to move them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is used to manufacture which of the following ? Artificial silk Terylene Nylon Rubber Artificial silk Terylene Nylon Rubber ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Chlorine Sodium chloride Carbon dioxide Alcohol Chlorine Sodium chloride Carbon dioxide Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polyamide Polypropylene Polyethylene Polyester Polyamide Polypropylene Polyethylene Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called liquation leaching magnetic separation levigation liquation leaching magnetic separation levigation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP