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WorksheetsSynthetic fibers and plastics
Total questions: 15
Worksheet time: 5mins
Select the disadvantage of synthetic fibers .
Durable
non - biodegradable
Good elasticity
light weight
none of these
Monomer of Rayon and Nylon respectively.
Rayon - Amide , Nylon - cellulose
Rayon - strongest , Nylon - Acrylonitrile
Rayon- cellulose , Nylon- Amide
none of the above
Which item is easy to mould ?
Cotton
jute
Acrylic
Plastic
another name of thermosetting plastic is :
PET
Both A and c
Thermoset
Thermo plastic
All synthetic fibers are made up of chemicals called :
petrolchemicals
petrochemicals
Both A and b
none of the above
Which cloth is not preferred to wear in kitchen.
Rayon
Nylon
Polyester
acrylic
synthetic fibers are ................ than natural fibers.
Costly
cheaper
unconfortable
thicker
the word polyethene can be separated as follows :
poly+thene
poly+ethene
polye+thene
all of the above
! example of rayon
cotton
jute
A is the answer but not B
both A and B are correct
plates ( eating one ) are made up of thermoplastic ?
true
False
identify the type of cloth
Rayon
acrylic
nylon
jute
Identify the type of cloth
wool
acrylic
polyester
nylon
which cloth give us the exact heat of woolen cloth.
( other than wool )
(a)
identify the diagram ( respectively )
a) linear b) cross linked
a) cross linked b) linear
both A and B are correct
none of the above
select all the disadvantages of synthetic fibers .
durable
uncomfortable during summer
less weight
melts and burns easily
