1.

Which one of the following polymers belongs to the class of addition polymers ? Which catalyst is used to prepare its monomer form ethanol ? i. PHBV ""ii. Polyethene iii.Nylon-6 ""iv Dextron

Answer»

`"i", K_(2)Cr_(2)O_(7)`
iv.`K_(2)Cr_(2)O_(7)`
`II. Al_(2)O_(3)`
iii. `Al_(2)O_(3)`

Answer :D


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