Chemistry The most common cause of pollution of air is Carbon dioxide Smoke Carbon monoxide Sulphur dioxide Carbon dioxide Smoke Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Bromine Magnesium Lead Barium Bromine Magnesium Lead Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Alum Soda powder Bleaching powder Borax powder Alum Soda powder Bleaching powder Borax powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main component of liquid bleach is: Sodium hypochlorate Sodium chloride Hydrochloric acid Sodium hypochlorite Sodium hypochlorate Sodium chloride Hydrochloric acid Sodium hypochlorite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Carbon and Platinum Iridium and Germanium Tungsten and Platinum Silicon and Germanium Carbon and Platinum Iridium and Germanium Tungsten and Platinum ANSWER DOWNLOAD EXAMIANS APP