Polymers in Daily Life

Q. Which of the following is a monomer of natural rubber?

1. Neoprene
2. Isoprene
3. Chloroprene
4. Buna-N

Q. The monomer of natural rubber is .

1. isoprene
2. buna-S
3. neoprene

Q.

What is thermocol made up of ?

Q. The polymer used in making thermocol is .

1. polystyrene
2. polyvinyl chloride
3. polyacrylonitrile

Q. Which is the monomer of natural rubber ?

1. Ethene
2. Isoprene
3. Teflon
4. Chloroethene

Q. The monomer of natural rubber is .

1. neoprene
2. buna-S
3. isoprene

Q. Identify teflon from the following.

1. ${\left(-{\mathrm{CF}}_2={\mathrm{CF}}_2-\right)}_n$
2. polyacrylonitrile
3. polystyrene
4. ${\left(-H_{2}C-\mathrm{CHCl}-\right)}_n$

Q. is a synthetic fibre that can be used as a substitute for wool.

1. Polyacrylonitrile
2. Polystyrene
3. Teflon

Q. Which of the following is a monomer of natural rubber?

1. Neoprene
2. Isoprene
3. Buna-N
4. Chloroprene

Q. Match the given polymers with their uses.

1. non-stick coating
2. sweaters
3. pipes
4. thermocol

Q. Glucose produced during photosynthesis is soon polymerised into starch. What does polymerisation mean?

[1 Mark]

Q.

The polymer PVC can be prepared by which of the monomers?

1. Ethylene

2. Styrene

3. Chloroethene

4. Propene

Q. Polyacrylonitrile becomes a common replacement for metal piping.

1. True
2. False

Q.

Silicon is used to make silicone-based polymer called ________________.

Q.

The polymer PVC can be prepared by which of the following monomers?

1. Styrene

2. Chloroethene

3. Ethylene

4. Propene

Q. The plastic that is used to make pipes is popularly known as PVC. What does PVC stand for?

1. Phosphovinyl chloride
2. Phosphovanadium chloride
3. Polyvanadium chloride
4. Polyvinyl chloride

Q. Assertion :Teflon has high thermal stability and chemical inertness.
Reason :Teflon is a thermoplastic.

1. If assertion is false but reason is true.
2. If both assertion and reason are true and the reason is the correct explanation of the assertion.
3. If both assertion and reason are true but reason is not the correct explanation of the assertion.
4. If the assertion and reason both are false.

Q. Identify teflon from the following.

1. ${\left(-{\mathrm{CF}}_2={\mathrm{CF}}_2-\right)}_n$
2. ${\left(-H_{2}C-\mathrm{CHCl}-\right)}_n$
3. polyacrylonitrile
4. polystyrene