Chemistry The Refrigerant 'FREON' is Hydrofluosilicic Acid Calcium Tetra Fluoride Difluoro Dichloro Methane Fluorspar and Felspar Hydrofluosilicic Acid Calcium Tetra Fluoride Difluoro Dichloro Methane Fluorspar and Felspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in Vinegar ? Acetic acid Propionic acid Formic acid Butyric acid Acetic acid Propionic acid Formic acid Butyric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Vulcanization Acceleration Galvanization Sulphonation Vulcanization Acceleration Galvanization Sulphonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Sulphuric acid Phosphoric acid Boric acid Carbonic acid Sulphuric acid Phosphoric acid Boric acid Carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Silver Calcium Sodium Aluminium Silver Calcium Sodium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the fuels given below, the one with highest calorific value is Coke Coal Wood Natural gas Coke Coal Wood Natural gas ANSWER DOWNLOAD EXAMIANS APP
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