Chemistry Main source of lead pollution is from Insecticides Sewage Leaded gasoline Tobacco Insecticides Sewage Leaded gasoline Tobacco ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Carbon Oxygen Nitrogen Calcium Carbon Oxygen Nitrogen Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Alcohol Carbon dioxide Sodium chloride Chlorine Alcohol Carbon dioxide Sodium chloride Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Smelting Zone melting Leaching Slugging Smelting Zone melting Leaching Slugging ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbonates from soil Oxides of mineral elements Water Carbon dioxide Carbonates from soil Oxides of mineral elements Water Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP