The first human-made plastic may be considered to be cellulose nitrate, which was found in 1746 by Schonbein of Russia by the action of a mixture of HNO3 and H2SO4 on cotton.

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1.	The first human-made plastic may be considered to be cellulose nitrate, which was found in 1746 by Schonbein of Russia by the action of a mixture of HNO3 and H2SO4 on cotton.
A.	a)True
B.	b)False
Answer» C.

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