alleryPolymers are the backbone of how many major industries?
ANine
BFour
CTwo
DSix
Answer & Solution
Correct answer: B. Four
1. Plastics and elastomers are two of them.
2. Fibres and paints and varnishes are the others.
3. So there are four.
_Source: syllabus Chemistry Part II, Chapter 15, Polymers._
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