Chemistry Main source of lead pollution is from Leaded gasoline Insecticides Sewage Tobacco Leaded gasoline Insecticides Sewage Tobacco ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiseptic compound present in dettol is Biothional Cresol Iodine Enloroxylenol Biothional Cresol Iodine Enloroxylenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Argon Helium Neon Nitrogen Argon Helium Neon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry 1 carat of diamond is equal to 200 g 100 mg 100 g 200 mg 200 g 100 mg 100 g 200 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond Difference in layers of atoms None of these Difference of crystalline structures Tetrahedral structure of diamond Difference in layers of atoms None of these Difference of crystalline structures ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is magnesite dolomite calcite carnallite magnesite dolomite calcite carnallite ANSWER DOWNLOAD EXAMIANS APP
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