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Byju's Answer
Standard VIII
Chemistry
Thermosetting Plastic
Which of thes...
Question
Which of these plastics can be softened by heating only once?
(a) polythene
(b) PVC
(c) bakelite
(d) polystyrene
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Solution
Bakelite comes under the category of thermosetting plastics. Thermosetting plastics can be softened by heating only once.
Hence, the correct answer is option C.
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Similar questions
Q.
Study the given flowchart carefully.
K
,
L
,
P
a
n
d
Q
plastics are
K
L
P
Q
(A)
Polystyrene,
Bakelite,
Teflon,
PVC
(B)
Polythene,
Polystyrene,
Bakelite,
PVC
(C)
PVC,
Polythene,
Polystyrene,
Bakelite
(D)
PVC,
Teflon,
Melamine,
Bakelite
Choose your answer from A, B, C and D and enter accordingly.
Q.
Which of these plastics is a polymer?
(a) bakelite
(b) polystyrene
(c) polythene
(d) all of these
Q.
Which of these plastics can be repeatedly heated and moulded into any desired shape?
(a) bakelite
(b) polythene
(c) formica
(d) melamine
Q.
Can bakelite be repeatedly softened by heating?
Q.
Bakelite is a type of plastic that cannot be softened and melted on heating. This kind of plastic is known as
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