Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Which are natural polymers? (1) Starch (2) Cellulose (3) Nucleic acid (4) SBRA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: A
Solution :
Starch, cellulose and nucleic acid are natural polymer while SBR is a synthetic polymer. It is made by the polymerization of butadiene and styrene.
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