General Studies · Refrigeration and Air Conditioning
पर्यावरण के अनुकूल प्रशीतक (Refrigerant) R-134a का रासायनिक सूत्र क्या है?
- 1C2Cl2F4
- 2C2H2F4✓
- 3CHClF2
- 4C2Cl3F3
सही उत्तर देखें
C2H2F4
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