Chemistry In drinking water supply, which of the following treatments is not involved Disinfection Sedimentation Coagulation Softening Disinfection Sedimentation Coagulation Softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Alcohol Sulphur Nitrogen Silicon Alcohol Sulphur Nitrogen Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Diesel Charcoal Coal-tar Camphor Diesel Charcoal Coal-tar Camphor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Argon Krypton Oxygen Nitrogen Argon Krypton Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Oxide Sodium Sodium Bicarbonate Sodium Chloride Sodium Oxide Sodium Sodium Bicarbonate Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon monoxide and nitrogen Carbon dioxide and nitrogen Carbon monoxide and hydrogen Carbon dioxide and hydrogen Carbon monoxide and nitrogen Carbon dioxide and nitrogen Carbon monoxide and hydrogen Carbon dioxide and hydrogen ANSWER DOWNLOAD EXAMIANS APP