Chemistry Ultra purification of a metal is done by : Leaching Zone melting Slugging Smelting Leaching Zone melting Slugging Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Copper Lead Cadmium Chromium Copper Lead Cadmium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the List-I with List-II and select the correct answer using the codes given belowList-I (Vitamin)List-II(Chemical compound)F.Vitamin A1.ThiaminG.Vitamin B12.RetinolH.Vitamin C3.Ascorbic acidJ.Vitamin E4.TocopherolCodes :FGHJA.4132B.2314C.4312D.2134 A D B C A D B C ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon dioxide Carbon monoxide Sulphur dioxide Methane Carbon dioxide Carbon monoxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Propylene Acetylene Ethylene Aniline Propylene Acetylene Ethylene Aniline ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Acidic soils Podsols Alkaline soils Saline soils Acidic soils Podsols Alkaline soils Saline soils ANSWER DOWNLOAD EXAMIANS APP