Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double sulphates Hydrated chlorides Double nitrate Nitrates of aluminium Double sulphates Hydrated chlorides Double nitrate Nitrates of aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Sulphur dioxide Smoke Carbon dioxide Carbon monoxide Sulphur dioxide Smoke Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water May either increase or decrease depending on the process used Decreases Increases Does not change May either increase or decrease depending on the process used Decreases Increases Does not change ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Chromite Manganese Mica Bauxite Chromite Manganese Mica Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Argon Helium Xenon Neon Argon Helium Xenon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Ammonia Sulphur-di- oxide Chlorine Urea Ammonia Sulphur-di- oxide Chlorine Urea ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS