synthetic fibres and plastics

Rayon is mixed with cotton to make _________

• Carpets

• Rugs

• Bedsheets

• Dresses

What is the full form of PET?

• Poly ethene terephthalate

• poly ethylene terephthalate

• poly ethene terethalate

• poly ethylene phthalate

The product shown in the picture is made up of ________________.

• Melamine

• Bakelite

• Nylon

______________ is filled in the hollow walls of refrigerators.

• PVC

• Polystyrene

• Thermocol

Nylon is prepared by the polymerisation of ______________ molecules.

• amide

• carbon

• hydrogen

1. Identify the product based on the given features.

I. It is a man-made product.

II. It has a linear arrangement of monomer units.

III. It is used for making goods like toys, combs, containers, etc.

• Lycra

• Rayon

• Thermosets

• Thermoplastics

One of the advantages of nylon over rayon is that nylon:

• Is wrinkle free.

• Has low elasticity.

• Is a natural fibre.

• Is a good conductor of electricity.

Firefighters’ uniform is coated with a plastic that is fire resistant. Identify the plastic from the given options.

• Teflon

• Melamine

• PET

• Polyester

Select the correct option from the given statements.

• Polymers cannot form fibres

• Polymers can be both natural and synthetic

• Polymer is a natural substance

• Polymer is a synthetic substance

In Which Of The Following Statement Is Or Are Incorrect?

• Nylon was made in the year 1931.

• Nylon developed in Netherlands and London.

• Nylon is not attacked by moths and ordinary chemicals.

• Nylon fibre have high abrasion resistance