Science · Chemistry
प्रशीतक फ्रीऑन (Freon) रासायनिक रूप से क्या है?
- 1ब्यूटेन एवं प्रोपेन का मिश्रण
- 2मस्टर्ड गैस
- 3ऐसीटिलिन
- 4डाइफ्लुओरो डाइक्लोरो मीथेन✓
सही उत्तर देखें
डाइफ्लुओरो डाइक्लोरो मीथेन
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