Pitch is produced by : ( 1 ) Coal ( 2 ) Coal Tar ( 3 ) Coal gas ( 4 ) Petroleum
Answers
Answered by
4
Answer:
2, 4
Explanation:
- Pitch is a viscoelastic polymer which can be natural or manufactured, derived from petroleum, coal tar, or plants
Answered by
0
Answer:
2
PITCH, in the chemical-process industries, the black or dark brown residue obtained by distilling coal tar, wood tar, fats, fatty acids, or fatty oils....
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