Q. The Refrigerant 'FREON' is – (Solved)
1. Calcium Tetra Fluoride
2. Difluoro Dichloro Methane
3. Fluorspar and Felspar
4. Hydrofluosilicic Acid
- b. Difluoro Dichloro Methane
1. Calcium Tetra Fluoride
2. Difluoro Dichloro Methane
3. Fluorspar and Felspar
4. Hydrofluosilicic Acid