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14 questions
What is a Polymer?
A Fiber
A plastic
A large unit made of monomers
A plastic which cannot be Moulded
What is Nylon Made of?
Coal, Air and Plastic
Paper, Rope and Air
Plastic, Metal and Coal
Coal, Air and Water
Pick the Characteristics of Synthetic Fibers
(Pick Multiple Answers)
Easy to wash
Durable
Very Expensive than Natural Fibers
Readily available
All of the above
Rayon is also called as artificial _______
Man-made Fibers is the same as Synthetic Fibers
True
False
Plastic is
(Pick Multiple answers)
Non-reactive
Lightweight
Strong
Biodegradable
All of the above
Bakelite is a
Thermoplastic
Natural Fiber
Thermosetting Plastic
None of the above
Which Among these is a Popular Polyester?
Cellulose
Nylon
Teflon
Terylene
None of the above
The Full form of PET is
What is Rayon Mixed with to make carpets?
Cotton
Silk
Wool
Nylon
What are the disadvantages of Synthetic Fibers?
(Pick Multiple answers)
It is cheap
They catch on fire easily
They don't absorb sweat
They are Readily available
_______ are the Chemicals that give fruit their smell.
Cotton is made up of a large number of _______ units
When was the smallpox vaccine discovered? And by whom?
1799,Edward Jenner
1798,Alexander Fleming
1797,Louis Pasteur
1799,Alexander Fleming
1798, Edward Jenner
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