AP 8th Physical Science Mock Test 2023 For Chapter – 3 ” Synthetic Fibres And Plastics “Online Practice Test

1. Which of the following statement is false about "Acrylic " ?
2. Father of plastic industry
3. Which of the above substances are made of Bakelite ?
  1. Handle of cooker
  2. Electric switches
  3. Old telephone box
4. Rayon is made of
5. Which of the above fibres are artificial ?
  1. Polyester
  2. Rayon
  3. Wool
6. This is not the use of Rayon
7. Electric switches are not made with PET . Guess the reason
8. Precautions while doing flame test for identifying thermo plastics
9. Observation from burning test for natural and artificial fibres
10. Which is recyclable plastic ?
11. Plastic pipes used in house hold electrical wiring is made with
12. The arrangement of molecules shown in the diagram is called

13. The resin code indicates

14. In winter season , we have to wear ..................... clothes
15. Meaning of universal recycling symbol may be
16. __________ is called fake fur
17. Terylene is mixed with _______ to make terricot
18. PET bottles belongs to .............. plastic materials
19. Electrical switches are made of
20. TV cabinets are made by
21. Polymers are long chain molecules was demonstrated by
22. _____ fibre is as strong as steel
23. Natural fibres are obtained from
24. Many small , identical units combine together to form
25. Nylon is made of chemical units called
26. ______ is used in making of parachutes
27. Cellulose dissolved in chemicals added to it and give a syrup called
28. .............. is an artificial silk
29. Any synthetic fibre combined with 2 or more fibres is called
30. _________ is father of plastics
31. The first synthetic plastic is
32. The most popular polyester is
33. Terylene mixed with cotton to give
34. Terylene mixed with wool to give
35. A material which is easily decomposed by natural process is called ................. material
36. A material which is not decomposed by natural process is called ................. material
37. PET means
38. Match the following
  1. Code 1      ( ) a. PVC
  2. Code 2      ( ) b. HDPE
  3. Code 3      ( ) c. PET
39. Match the following
  1. Code 4      ( ) a. PS
  2. Code 5      ( ) b. LDPE
  3. Code 6      ( ) c. PP
40. Match the following
  1. Thermo setting plastics   ( ) a. Bakelite
  2. Thermoplastic                   ( ) b. Polythene
  3. Biodegradable                   ( ) c. Food
41. Match the following
  1. Artificial wool                   ( ) a. Plastic
  2. Non biodegradable          ( ) b. Acrylic
  3. Biodegradable                   ( ) c. Food
42. How do you appreciate 4R principal ?
43. 4R means
44. Computer and TV cabinets are made by
45. Melamine are not used in
46. ________ is artificial wool made from coal , air , water , oil and lime stone
47. The fibre obtained artificially from petrochemicals are called
48. Which of the following is true statement about Bakelite ?
49. What is meant by Biodegradable ?
50. What is meant by Non biodegradable ?
51. What is meant by Blend ?
52. What is meant by cellulose ?
53. Name the instrument that is used for burning plastic
54. Which of the following is thermosetting plastic used for making utensils ?
55. Natural fibres are made from
  1. Plants
  2. Animals
  3. Petrochemicals
56. The polymer which is made of chemical units are called
57. The chemicals obtained from petroleum are called
58. Plastics are polymers having
59. What is polymer ?
60. Polyamides are polymers made with
61. Which of them is monomer ?
  1. Hexa - methylene diamine
  2. Adipic acid
62. Polymer made of small monomers are called
63. Polyester is polymer formed by reacting
64. ______ is obtained fro m wood pulp
65. Name the insect which produce silk
66. Metal plates with very very tiny holes is
67. Artificial fibres are also called as
68. Terri cot is mixture of
69. Terri wool is mixture of
70. Thermoplastics are
71. The plastics which moulded once can't be softened by heating is called
72. Give reasons why plastic containers are used as storage devices
73. Which of the following is recycled ?
74. Which of the following is non recycled ?
75. Which of the following is recycled ?
76. Which of the following is non recycled ?
77. Certain materials can break down in to smaller fragments by bacteria is
78. Find the biodegradable material
79. Find the non biodegradable material
80. Synthetic fibres are called as _________ fibre
81. Synthetic fibres are synthesized from raw material called
82. Like synthetic fibre , plastic also _________
83. Clothing labels are
84. Rayon is made of
85. A silk fibre's smooth surface absorbs light
86. Match the following
  1. Polyester    ( ) A. Artificial silk
  2. PET             ( ) B. Code 1
  3. Rayon         ( ) C. Popular dress material
87. Match the following
  1. Nylon                 ( ) A. Electric switches
  2. Melamine         ( ) B. Many monomers
  3. Polyethene       ( ) C. Kitchen wear
  4. Bakelite            ( ) D. Stronger than any fiber
88. Sweaters . shawls , blankets are examples for
89. Clothes , bottles , wires are examples for
90. Carpets , Sanitary products , bandages are examples for
91. Ropes , socks and stocking are examples for
92. Which of the following codes are not recycled ?
93. Find the recycled code
94. PS used in
  1. Coffee cups
  2. Egg boxes
  3. Carry bags
  4. Pipes
95. Which fibre source is not  exhaustible ?
96. Which type of blended fabrics do you find ore comfortable in winter ?
97. Which type of fabric does fireman wear that does not catch fire ?
98. What is the code of the deformed bottle ?
99. Tupperware is
100. Polymer is derived from

 

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