Find the no of correct statements
A) Cellulose has only $α - D -$ glucose units that are joined by glycosidic linkages
B) Natural rubber is polyisoprene containing trans alkene units
C) Nylon – 6 has amide linkages
D) Teflon is prepared by heating tetrafluoroethene in presence of persulphate catalyst at high pressure.
E) Nylon – 2 – Nylon – 6 is biodegradable polymer.
F) Gutta Purcha is the trans 1,4 polyisoprene
G) Urea Formaldehyde, Bakelite, melamine – formaldehyde polymers are cross linked polymers.

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answer is 5.

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Detailed Solution

Correct ones are : C, D, E

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