CBSE 12th Standard Chemistry Subject Polymers Ncert Exemplar 2 Mark Questions 2021
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CBSE 12th Standard Chemistry Subject Polymers Ncert Exemplar 2 Mark Questions 2021
12th Standard CBSE
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Reg.No. :
Chemistry
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What is the role of benzoyl peroxide in addition polymerisation of alkenes ?
(a) -
A natural linear polymer of 2-methyl-1,3-butadiene becomes hard on treatment with sulphur between 373 to 415K and -S-S- bonds are formed between chains.Write the structure of the product of this treatment?
(a) -
Out of chain growth polymerisation and step growth polymerisation, in which type will you place the following:
(A)m +(A)m(A)n or(A)m+n(a) -
Why are rubbers called a elastomer?
(a) -
can enzyme be called a polymer?
(a)
