Q1. What is the source of rayon?
Ans: Wood pulp
Q2. Polycot is obtained by mixing:
Ans: Polyester and cotton
Q3. Which is a thermosetting plastic?
Ans: Melamine
Q4. The material similar to silk in appearance is:
Ans: Rayon
Q5. The most suitable material for the preparation of handles of cooking utensils is:
Ans: Bakelite
Q6. Which of the following is not a common property of plastics?
Ans: Good conductor of electricity
Q7. The material which is commonly used for making kitchen containers is:
Ans: PVC
Q8. Polywool is obtained by mixing:
Ans: Polywool is a mixture of polyester and wool.
Q9. Natural rubber is a polymer derived from:
Ans: Isoprene
Q10. Gelatin is used in the production of:
Ans: Rubber
You may also like to Read: Western Ghats, Buddhism, Advent of The Europeans, Soils in India, Clouds, Alloys and their composition, Grasslands of World, Light and its phenomena(Part1), Light and its phenomena (Part 2), Polymers.
