Science · Chemistry
पैराफिन (Paraffin) किसका उपोत्पाद है?
- 1जल परिशोधन का
- 2वनस्पति तेल परिशोधन का
- 3पेटroleum परिशोधन का✓
- 4कोयला परिशोधन का
सही उत्तर देखें
पेटroleum परिशोधन का
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