Synthetic fibres synthesised from raw materials are called
jute
rayon
petrochemicals
bakelite
Polymers are made up of small units called
layers
molecules
cells
monomers
Bakelite is an example of
fibre
elastomer
nylon
thermosetting polymer
Which of the following cannot be recycled?
Toys
Cooker handles
carry bags
Plastic chair
What is the other name for artificial silk?
Nylon
Rayon
Acrylic
Polyester
Which of the following is a natural fibre?
Wool
PVC
Polythene
Fibre produced in factories is called
man-made fibre
natural fibre
synthetic fibre
Both a and c
PET is a
polyester
polyamide
Which of the following is non-biodegradable?
paper
cotton cloth
wood
plastic
The strongest synthetic fibre is
acrylic
