D. WRITE ONE WORD FOR THE FOLLOWING.
1. Black gold
2. Pure form of carbon
3. Separation of petroleum into many useful components
4. A gas that occurs over petroleum in reservoirs deep inside the Earth
5. The common name for coal, petroleum and natural gas
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ExplanaCrude Oil is also known as Black Gold. The word 'Black' because of its appearance when it comes out of the ground and the term 'Gold' for of its rarity and utility associated with it.19-May-2020
tion:
Diamond is the purest form of carbon. ... Graphite and diamond are two major allotropes of carbon. Diamond is a form of carbon in which each carbon atom is covalently bonded to four other carbon atoms.
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