Chemistry Ferrous sulphate is used in water treatment as a/an Reducing agent Coagulant aid Oxidizing agent Adsorbent Reducing agent Coagulant aid Oxidizing agent Adsorbent 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 magnetic separation leaching levigation liquation magnetic separation leaching levigation liquation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methylene blue Methyl orange Phenolphthaline Methyl red Methylene blue Methyl orange Phenolphthaline Methyl red ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Fire-fighting clothes' are made from Mica Steatite Talc Asbestos Mica Steatite Talc Asbestos ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide Methane Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP