Polymers
Which among the following is NOT a semi-synthetic polymer?
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Single Choice
The polymer used for making contact lenses for eyes is:
APolymethylmethacrylate
Correct Answer
BPolyethelene
CPolyethylacrylate
DNylon-6
Solution
Eyeglass lenses are commonly made from a polymer called poly(methylmethacrylate) (PMMA). Lenses made of PMMA are called hard lenses.
Hence, option $$A$$ is correct.
SIMILAR QUESTIONS
Polymers
Write the monomer units of bakelite.
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Write the names and structures of the monomers of Polypropylene.
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Teflon is a polymer of the monomer
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Which of the following is a chain growth polymer?
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Name the substance made up of a large number of smaller molecules joined in repetition.
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PVC is prepared by the polymerisation of:
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$$F_2C = CF_2$$ is the monomer of:
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$$CH_2 = CH_2$$ is a:
Polymers
Teflon is a polymer of:
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