WorksheetsSynthetic fibres & plastics
Total questions: 19
Worksheet time: 6mins
Many small unit combine together to form a large unit called (a)
Name the plastic used for making water pipes
PVC
Iron
Steel
PCV
Select 2 polyester fibers
Polythene
Melamine
PET
Terylene
Name the plastic used for non - stick coating
(a)
Which is the first fully made Synthetic fibre?
Rayon
Nylod
Nylon
Acrylic
Poly + Cot = _____
Polcot
Pollycot
polycot
polycotton
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.
Thermplastics
Thermoplastics
Thermoseting plastics
Thermosetting plastics
A parachute is made of ------------
Nylen
Nylon
Polyester
Bakelite
What material is commonly used to make umbrella 's?
Nylon
Terylene
Malamine
Polyester
(a) synthetic fibres contain large number of ester groups.
Which of the following statements are false?
Cellulose is a polymer that is made up of a large number of small glucose molecules joined one after the other.
Wood contains a very less amount of cellulose polymer.
The small molecules that join together to form a polymer are called monomers
Which of the following is not a property of nylon?
Nylon fibers are fairly strong and elastic
Nylon is a Synthetic fibre
It is cheaper than natural silk and can be woven like silk fiber.
Nylon fibers are lightweight and lustrous.
Which of the following is a fire-resistant plastic and is used to coat the uniforms of firemen?
PVC
Teflon
Melamine
Bakelite
The plastics which do not remould again on heating are called:
None of these
Thermosetting plastics
Both of these
Thermoplastics
Chemical treatment of wood pulp
(a)
Nylon was prepared from ____________
Coal and Oil
Coal and Mixture of whatever and oil
Coal and Water
Coal, Water and Air
PET full form
polyethylene terephthalate
polythylene terephthalate
polyethylene terephhalate
polyethylene terehthalate
Synthetic fibres are synthesised from raw material called (a)
The full form of PVC is _____.
Polyvenyl Chloride
Polyvinil Chloride
