Chemistry · Coal and Petroleum
धातु निष्कर्षण (metal extraction) में निम्नलिखित में से किसका उपयोग मुख्य रूप से किया जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1पैराफिन मोम (Paraffin wax)
- 2कोलतार (Coal tar)
- 3पेट्रोलियम (Petroleum)
- 4कोक (Coke)✓
सही उत्तर देखें
कोक (Coke)
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