HomeCLASS 8 SCIENCESynthetic Fibre and Plastics class 8 MCQ Synthetic Fibre and Plastics class 8 MCQ Quiz Q1. Many samll units combine to form a large single unit called ______. fabrics plastics polymer monomer Q2. What is the smaller unit of cotton? cellulose farmer cloth glucose Q3. What is the smaller unit of cellulose? glucose grass cotton nylon Q4.Silk was discovered in which country India China Russia Japan Q5.Rayon fiber was obtained by chemical treatment of which things? chemical slice of bark trunk of the tree wood pulp Q6. Rayon is a replacement of which of the following natural fibres? cotton silk wool jute Q7. Rayon is mixed with _____ to make beed sheets or mixed with ______ to make carpet. cotton, silk cotton, jute wool, jute cotton, wool Q8. Nylon was discovered in which year? 1929 1932 1931 1930 Q9. Nylon is prepared from ______ and _____. coal, water water, ice coal, ice coal, rayon Q10. Which is the first fully synthetic fiber? rayon nylon polyester none of the above Q11. Nylon fibre was ______, ______ and light. heavy, mixed strong, weak strong, elastic heavy, weak Q12. Name any one article made by nylon socks ropes tents all of the above Q13. which of the following is a type of polyester? PET terylene both (a) and (b) none of these Q14. PET full form. Polyethylene terephthalate Polythyne terylene Polyester terylene Petrochemical terylene Q15. Small units of polyester are? poly ester both of these none of these Q16. Name the strongest synthetic fibre. Acrylic Nylon Polyester Rayon Q17. Artifical wool is also called ______. acrylic nylon polyester none of the above Q18. All the synthetic fibers are prepared by a number of processes using raw materials of petroleum origin, called _______. petrosyites polyester polyethylene petrochemicals Q19. Plastics which can be deformed easily on heating and can be bent easily are known as ________. thermoplastic petrochemical plastic thermosetting plastics none of the above Q20. Plastics which can't be deformed easily on heating and can be bent easily are known as ________. thermoplastic petrochemical plastic thermosetting plastics none of the above Submit Your Answers Test your knowledge Force and Pressure MCQ TEST 1 Force and Pressure MCQ TEST 2 Force and Pressure MCQ TEST 3 Force and Pressure MCQ TEST 4 Force and Pressure MCQ TEST 5 Force and Pressure MCQ TEST 6 Force and Pressure MCQ TEST 7 Newer Older
