Question

Q1) What do you mean by polymers? Name a polymer that occurs naturally.
Q2) How many types of fibers are there?
Q3) Define cellulose. What is the monomer of cellulose?
Q4) Write few properties and uses of nylon.
Q5) Why nylon is called first fully synthetic fiber?
Q6) What do you mean by polyester? Give example. State the features of polyester and
its applications.
Q7) Define acrylic. Why it is more popular than natural wool?
Q8) Why synthetic fibers are preferred over natural fibers?
Q9) What types of clothes should be avoided while working in kitchen or laboratory
and why?
Q10) Define petrochemical.
Q11) State some characteristics of the synthetic fibers.
Q12) What are the features of plastics?
Q13) Explain thermoplastics with examples and uses.
Q14)” All plastic articles can be moulded easily”. Do you agree? Give reason.
Q15) Which common property is possessed by all plastics?
Q16) What is Teflon? Write its uses.
Q17) What are the disadvantages of plastics?
Q18) Why is it suggested to use cotton or jute bags instead of plastic bags?
Q19) Suggest some ways to reduce plastic.
Q20) State some uses of plastics in healthcare industries.​

Answer 1

2. NATURAL AND ARTIFICIAL FIBRES