1) Select the correct option from the given statements.
A. Polymers cannot form fibres
B. Polymers can be both natural and synthetic
C. Polymer is a natural substance
D. Polymer is a synthetic substance.
2) Polyethylene terephthalate belongs to which class of synthetic polymer?
A. None of these B. Polyolefin C. Nylon D. Polyester
3) The approximate time take for a Plastic to degenerate is
A. about a year B. 10 to 15years C. several years D. 2 to 5 months.
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1-d
2-b
3-d
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