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 water pollution in river is measured by the dissolved amount of Nitrogen Oxygen Ozone Chlorine Nitrogen Oxygen Ozone Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most malleable metal is gold silver platinum iron gold silver platinum iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Diesel Petrol and oxygen Steam Batteries Diesel Petrol and oxygen Steam Batteries ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Epsom salt Blue vitriol Green vitriol Gypsum salt Epsom salt Blue vitriol Green vitriol Gypsum salt ANSWER DOWNLOAD EXAMIANS APP
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