Chemistry The pollutant responsible for ozone holes is ________ CFC CO CO2 SO2 CFC CO CO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Collection of dust Oxidation of cellulose Lack of aeration Frequent use Collection of dust Oxidation of cellulose Lack of aeration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea weeds are important source of Iodine Chlorine Iron Bromine Iodine Chlorine Iron Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Soda lime Caustic soda Baking soda Washing soda Soda lime Caustic soda Baking soda Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chloroform can be used as Antimalarial Analgesic Anaesthetic Antibiotic Antimalarial Analgesic Anaesthetic Antibiotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is more reactive than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc has a higher melting point than tin ANSWER DOWNLOAD EXAMIANS APP