Chemistry The Refrigerant 'FREON' is Calcium Tetra Fluoride Hydrofluosilicic Acid Difluoro Dichloro Methane Fluorspar and Felspar Calcium Tetra Fluoride Hydrofluosilicic Acid Difluoro Dichloro Methane Fluorspar and Felspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Ca Cs Na K Ca Cs Na K ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is ozone oxygen helium methane ozone oxygen helium methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Dolomite Haematite Cinnabar Bauxite Dolomite Haematite Cinnabar Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Iron Platinum Gold Mercury Iron Platinum Gold Mercury ANSWER DOWNLOAD EXAMIANS APP
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