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What is the full form of PVC, PET, HDPE, LDPE, PP and PS?
give 5 differences between natural and synthetic fibre
Why it is advised not to wear synthetic clothes while working in kitchen or laboratory ?
What are the Advantages and Disadvantages of Synthetic Fibres ?
why is rayon called as"artificial silk"?
Write 5 uses of synthetic fibers other than making clothes ?
why do synthetic fibre soak less water than natural fibres?
do they take less time to dry and why?
what does this activity tell you about the characteristics of synthetic fibres?
I want 5 slogans about plastic
There is a difference between the Raw material used in Rayon and other synthetic fibres like Nylon or Polyester. What is da difference ?
Why Is Jute Called The Golden Fibre.
What is the definition of regenerated fibres?
devise an activity to show that organic waste is biodegradable while plastic is not
Firemen use Melamine coated uniform.Why?
avoid plastics as far as possible. comment on this topic
why nylone is called fully synthetic fiber ?
List any 6 synthetic fibres and write their advantages and disadvantages each 3? Pleaseee fast
'all polymers are macromolecules but all macromolecules are not necessarily polymers.' comment upon the statement.
what is the full form of PVC and what is means
why is rayon called regenerated fibre/
required five slogans on plastic
although rayon is obtained from a natural source,wood pulp,yet it is a man-made fibre.give reasons.
Explain The Process Of Formation Of Bakelite With The Help Of Formaldehyde And Phenol
mention two properties of synthetic polymers / plastics which make them acceptable to the users?
Some slogans to avoid plastics
what are the disadvantages of synthetic fibres?
10 points on the uses of plastics....urgent....
why plastics are poor conductors of heat and electricity?
uses of terylene
name the component fibres for polycot, terrywool and cotswool.
Find out what kind of measures are taken in your locality to dispose plastics wastes? Can you suggest some methods to the resident of your area?
(Dear frns and experts it's an que of my hhw, plz help me to find out the measures taken in my locality and plzzz suggest me some methods)
What are the uses of bakelite and melamine ?
why is rayon called as semisynthetic fibre?
visit five families in your neighbourhood and enquire about akind of cloth they use .the reason for their choice and advantages of using them in term of cost ,duarability and mantinence.make a short report
what is monomer of rayon
Full form of-
advantages and disadvantages of synthetic materials
name 5 examples of thermoplastics and thermosetting plastics?
What is the difference between linear and cross-linked arrangement ?
'Manufacturing synthetic fibres is actually helping conservation of forests.' Explain.
I need it tonight!!!!
What is bakelite and melamine and what is the difference between the two?
how is plastic useful in healthcare industry?
"A nylon thread is stronger than a steel wire" Justify.
what are synthetic fibres ?
plastics are threat to environment.comment.
Certain plastics items are called unbreakable.What is this material?Write its formula.
The polymer of natural fibre cotton is called ---------
Why synthetic fibres are more popular than natural fibres?
give reasons why ?
a) cooking pans have plastic handles
b) burning of plastic causes air pollution
c) nylon is used for making climbing ropes
d) refrigerators have a plastic foam core
e) electric wires have a plastic covering
f)bakelite is used for making electric switches
do you think rayon when burnt will stick to the body like other synthetic fibres?
the fibre that burns readily with the smell of burning paper.
what are the different types of fibres?
name the monomer from which the natural fibre cotton is made
what are the problems caused by excessive use of plastics?
Certain plastics can be recycled.What type of plastics are there.Give two examples of such material.
explain the differences between thermoplastics and thermosetting plastics.
note:best answers vil b givn thumb ups
The simple molecule of molecules in a polymer is called ----------
why is nylon used for making ropes for rock climbing?
Clay is a 'plastic' material. Does this imply that this a polymer ?
differences between natural and synthetic fibres.
Why is natural fibre expensive?
why is artificial fibre cheaper than natural fibre?
What is polycot????
Suggest ways to minimize the damage to the environment due to synthtic polymers.
ploythene bags should not be thrown along with garbage.why?
Why are rayon called regenerated fibre?
WHAT IS 4R principle
Acryliic fibre is obtained by the polymerisation of molecules of --------------------.
the names of different breeds of wool yielding animals found in different countries
what is blended fibre give exampkes too ?
Is plastic element compound or mixture
Name the monomer of polythene .
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