Which kind of clothes do you prefer in summer?
Nylon
Wool
Silk
Cotton
We get ____________ from sheep.
Silk fibers
Silk worms
Woollen fibers
Cellulose
_______ is a chemical substances which is mainly used in the construction of buildings.
Bricks
Cement
Plastics
PVC
________ threads are used to make cloths.
Fibre
Plastic
Synthetic fibre
Instead of _____ we can use things made of cloth, jute, coir and paper.
Water
Fibres
Water bottles are made up of
Polythene
Styrene
Bakelite
The important chemical substance used in the preparation of soap is ............
Sodium hydroxide
Sodium amalgum
Sodium silicate
Sodium bicarbonate
Identify the one which is not a natural fibre.
Polyester
Jute