Chemistry NCERT Exemplar Solutions Class 12th Chapter Fifteen

This is a assertion and reason answer type question as classified in NCERT Exemplar

(iv) Assertion is correct statement and reason is wrong statement. (v) Assertion is wrong statement and reason is correct statement.

Explanation:  Most of the Synthetic polymers are not biodegradable. A large number of the polymers are resistant to the degradation process of the environment and therefore, are responsible for the accumlation of polymeric solid waste material.

This is a assertion and reason answer type question as classified in NCERT Exemplar

(ii) Assertion and reason both are correct statements and reason explains the assertion.

Explanation:  Rayon is a semi synthetic polymer. It is preferred over cotton fabric because its properties are improved by acetylation.

This is a matching answer type question as classified in NCERT Exemplar

(i) → (d) (ii) → (a) (iii) → (b) (iv) → (e) (v) → (c)

This is a matching answer type question as classified in NCERT Exemplar

(i) → (f) (ii) → (e) (iii) → (a) (iv) → (c) (v) → (b) (vi) → (d)

This is a matching answer type question as classified in NCERT Exemplar

(i) → (b) (ii) → (d) (iii) → (a) (iv) → (d) (v) → (c)

This is a matching answer type question as classified in NCERT Exemplar

(i) → (d) (ii) → (a) (iii) → (b)

This is a matching answer type question as classified in NCERT Exemplar

(i) → (d) (ii) → (e) (iii) → (a) (iv) → (f) (v) → (b) (vi) → (c)

This is a matching answer type question as classified in NCERT Exemplar

(i) → (b) (ii) → (c) (iii) → (a) (iv) → (e) (v) → (d)

This is a matching answer type question as classified in NCERT Exemplar

(i) → (c) (ii) → (a) (iii) → (b) (iv) → (e) (v) → (d)

This is a matching answer type question as classified in NCERT Exemplar

(i) → (e) (ii) → (c) (iii) → (a) (iv) → (b) (v) → (d)