MP Board Class 12th Chemistry Important Questions Chapter 15 Polymers

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MP Board Class 12th Chemistry Important Questions Chapter 15 Polymers

Polymers Important Questions

Polymers Objective Type Questions

Question 1.
Choose the correct answer :

Question 1.
The polymerization in which two or more chemically different monomers take part is called :
(a) Addition polymerization
(b) Copolymerization
(c) Chain polymerization
(d) Homogeneous polymerization.
Answer:
(b) Copolymerization

Question 2.
Natural rubber is mainly a polymer of:
(a) Chloroprene
(b) Neoprene
(c) Isoprene
(d) Butadiene.
Answer:
(c) Isoprene

Question 3.
Which is a heat resistant polymer :
(a) P.V.C.
(b) P.V.A.
(c) Bakelite
(d) Rubber.
Answer:
(c) Bakelite

Question 4.
Is not a polymer :
(a) Orlon
(b) Teflon
(c) Neoprene soprene.
(d) Isoprene
Answer:
(d) Isoprene

Question 5.
Which among the following is a thermosetting polymer :
(a) P.V.C.
(b) P.V.A.
(c) Bakelite
(d) Perspex.
Answer:
(c) Bakelite

MP Board Solutions

Question 6.
Which substance is used as ‘non stick’ in cooking utencils :
(a) P.V.C.
(b) Polystyrene
(c) Poly ethylene Pterephthalate
(d) Poly tetrafluoro ethylene.
Answer:
(d) Poly tetrafluoro ethylene.

Question 7.
Out of the following which polymer contain nitrogen :
(a) Nylon
(b) Polythene
(c) P.V.C.
(d) Terylene.
Answer:
(a) Nylon

Question 8.
Is a natural polymer :
(a) Starch
(b) Nylon
(c) Teflon
(d) Buna – S – Rubber
Answer:
(a) Starch

Question 9.
Is a polymer :
(a) Macro molecule
(b) Micromolecule
(c) Submicro molecule
(d) None of these
Answer:
(a) Macro molecule

Question 10.
P.V.C is a polymer of the following :
(a) CH2 = CH2
(b) CH2 = CHCl
(c) ClCH2 = CH2Cl
(d) Cl – C ≡ C – Cl
Answer:
(b) CH2 = CHCl

Question 11.
Teflon is a polymer of:
(a) Vinyl chloride
(b) Ethylene
(c) Acetylene
(d) Tetrafluroethene
Answer:
(d) Tetrafluroethene

Question 12.
Example of condensation polymeris :
(a) Polythene
(b) P.V.C.
(c) Orion
(d) Terylene
Answer:
(d) Terylene

MP Board Solutions

Question 13.
Intermolecular force in elastomer is :
(a) Not present
(b) Weak
(c) Strong
(d) Extremely strong.
Answer:
(b) Weak

Question 14.
Complete hydrolysis of cellulose gives :
(a) D – Fructose
(b) D – Ribose
(c) D – Glucose
(d) L – Glucose
Answer:
(c) D – Glucose

Question 15.
Cellulose is a :
(a) Protein
(b) Fat
(c) Hormone
(d) Polysaccharide
Answer:
(d) Polysaccharide

Question 16.
Which of the following is a natural polymer :
(a) Starch
(b) Nylon
(c) Teflon
(d) Buna – s – Rubber
Answer:
(a) Starch

Question 17.
Nylon is an example of:
(a) Polyamide
(b) Polythene
(c) Polyester
(d) Polysaccharide
Answer:
(a) Polyamide

Question 18.
Nylon 6,6 is not a :
(a) Condensation polymer
(b) Co – Polymer
(c) Polyamide Bakelite is a polymer of:
(d) Homopolymer
Answer:
(d) Homopolymer

Question 19.
Bakelite is a polymer of :
(a) HCHO and acetic acid
(b) HCHO and phenol
(c) C2H5 – OH and phenol
(d) CH3 – COOH and benzene.
Answer:
(b) HCHO and phenol

Question 20.
Which of the following is a biodegradable polymer :
(a) Cellulose
(b) Polythene
(c) Polyvinyl chloride
(d) Nylon 6.
Answer:
(a) Cellulose

Question 2.
Fill in the blanks :

  1. ……………… is used for the preparation of chloroprene.
  2. Charge on polymers is ………………
  3. Polymer ……………… the light.
  4. Molecular mass of polymers is ………………
  5. Glucose is a monomer of ………………
  6. Cellulose is a ……………… polymer. (MP 2015)
  7. Polymer of ethylene glycol and phthalic acid is ………………
  8. Rubber is a ……………… polymer.
  9. Vulcanisation of rubber is an example of ………………
  10. Bakelite is a ……………… polymer.
  11. Nylon 6 is also called ……………… (MP 2011)
  12. Teflon is a polymer of ……………… (MP 2103)

Answer:

  1. Synthetic rubber
  2. Nil (zero)
  3. Scatter
  4. High
  5. Cellulose and starch
  6. Natural
  7. Glyptal
  8. Natural
  9. Elastomer
  10. Heat resistant
  11. Perlon – L
  12. Tetra fluoro ethylene.

Question 3.
Make correct pairs :
MP Board Class 12th Chemistry Important Questions Chapter 15 Polymers 1
Answer:

  1. (d)
  2. (a)
  3. (c)
  4. (f)
  5. (b)
  6. (g)
  7. (e)
  8. (h)

MP Board Solutions

Question 4.
Answer in one word / sentence :

  1. Give two examples of natural polymer.
  2. Give two examples of addition polymer.
  3. Give two examples of condensation polymer.
  4. Write chemical name of Buna rubber.
  5. Give an example of synthetic rubber.
  6. Monomer of polythene is. (MP 2011)
  7. Name the polymer which is formed by condensation of ethylene glycol and dimethyl teraphthalic acid. (MP 2011)
  8. Name the polymerisation which takes place by addition of two or more than two different monomers. (MP 2010)
  9. Give the name of polymer used for formation of tyre thread. (MP 2010)
  10. Which polymer obtained by polymerisation of caprolactum?

Answer:

  1. Natural polymer – Rubber, starch
  2. Polythene, Polypropylene
  3. Nylon – 6, Bakelite
  4. Styrene Butadiene rubber
  5. Styrene Butadiene rubber (S.B.R.)
  6. Ethylene
  7. Terylene
  8. Copolymerisation
  9. Nylon – 6
  10. Nylon – 6

MP Board Class 12th Chemistry Important Questions

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