Chemistry The Refrigerant 'FREON' is Hydrofluosilicic Acid Difluoro Dichloro Methane Calcium Tetra Fluoride Fluorspar and Felspar Hydrofluosilicic Acid Difluoro Dichloro Methane Calcium Tetra Fluoride Fluorspar and Felspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Lead Chromium Zinc Nickel Lead Chromium Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Fluorine Iodine Bromine Chlorine Fluorine Iodine Bromine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Cu Ge Ag Au Cu Ge Ag Au ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Oxygen and Nitrogen Hydrogen and Carbon Oxygen only Oxygen and Carbon Oxygen and Nitrogen Hydrogen and Carbon Oxygen only Oxygen and Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Refining Smelting Calcination Roasting Refining Smelting Calcination Roasting ANSWER DOWNLOAD EXAMIANS APP
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