Which of the following monomers form biodegradable polymers? (i) 3-hydroxybutyric acid + 3-hydroxypentanoic acid (ii) Glycine + aminocaproic acid (iii) Ethylene glycol + phthalic acid (iv) Caprolactam

Home » Which of the following monomers form biodegradable polymers? (i) 3-hydroxybutyric acid + 3-hydroxypentanoic acid (ii) Glycine + aminocaproic acid (iii) Ethylene glycol + phthalic acid (iv) Caprolactam

CBSE | Chemistry | Class 12 | ncert exemplar | Polymers

Which of the following monomers form biodegradable polymers? (i) 3-hydroxybutyric acid + 3-hydroxypentanoic acid (ii) Glycine + aminocaproic acid (iii) Ethylene glycol + phthalic acid (iv) Caprolactam

Option (i) and (ii) are the answers.

Biodegradable polymers are those that are quickly degraded and are not hazardous to the environment.

i

A …… lens is used to correct myopia and a ….. lens is used to correct hypermetropia.
A Concave, concave
B Convex, convex
C Convex, concave
D Concave, convex

Rate of reaction of any substance depends on
(A) active mass
(B) molecular weight
(C) atomic weight
(D) equivalent weight

Formula of oleum is
(A) $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}$
(B) $\mathrm{H}_{2} \mathrm{SO}_{4}$
(C) $\mathrm{H}_{2} \mathrm{SO}_{3}$
(D) $\mathrm{H}_{2} \mathrm{SO}_{5}$

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A …… lens is used to correct myopia and a ….. lens is used to correct hypermetropia.
A Concave, concave
B Convex, convex
C Convex, concave
D Concave, convex

Rate of reaction of any substance depends on
(A) active mass
(B) molecular weight
(C) atomic weight
(D) equivalent weight

Formula of oleum is
(A) $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}$
(B) $\mathrm{H}_{2} \mathrm{SO}_{4}$
(C) $\mathrm{H}_{2} \mathrm{SO}_{3}$
(D) $\mathrm{H}_{2} \mathrm{SO}_{5}$

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