Chemistry · Coal and Petroleum
पृथ्वी के भीतर उच्च दाब और तापमान पर मृत वनस्पति के कार्बनीकरण (carbonization) से कौन सा पदार्थ बनता है?
- 1कोलतार (Coal tar)
- 2कोयला गैस (Coal gas)
- 3कोक (Coke)
- 4कोयला (Coal)✓
सही उत्तर देखें
कोयला (Coal)
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