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21
Which one among the following is the natural polymer?
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Answer: Option D
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22
When hot water is placed into an empty water bottle, the bottle keeps its shape and does not soften. What type of plastic is the water bottle made from?
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Answer & Solution
Answer: Option D
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23
Which of the following polymer is used in the manufacture of bulletproof material?
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Answer: Option C
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24
Which one of the following is not a natural fibre?
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Answer: Option A
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25
Which among the following is true about Rayon?
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Answer: Option B
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26
Which paste is applied to the non-sticking vessel?
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Answer: Option C
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27
Which gas is obtained from plastic?
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Answer: Option D
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28
Which of the following have coiled helical structure?
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Answer: Option A
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29
. . . . . . . . is avoided by coating the conductor wire with PVC.
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Answer & Solution
Answer: Option C
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30
Match List I with List II
List-I (Protein) List-II (Property)
a. Structural protein 1. Haemoglobin
b. Transport proteins 2. Collagen and keratin
c. Protective proteins 3. Actin and myosin
d. Contractile proteins 4. Antibodies
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Answer & Solution
Answer: Option A
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