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Thermoplastics

Classify the ...

Question

Classify the following into thermosetting platics and thermoplastic:

(a) Melamine (b) PVC

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Solution

(a) Melamine is a thermosetting plastic. Once set, it cannot be reheated and remoulded again.

(b) PVC is a thermoplastic. It can be recycled as it can be softened and remoulded using heat.

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Q. Question 4
Which is a thermosetting plastic?

(a) Melamine
(b) Polythene
(c) PVC
(d) Nylon

Choose the thermoplastics and thermosetting plastics from the following :

Melamine, Polythene, Bakelite, Polyvinyl chloride

Q. Question 4
Which is a thermosetting plastic?

(a) Melamine
(b) Polythene
(c) PVC
(d) Nylon

Q. polythene, polystyrene, nylon, PVC, rayon, terene, acrylic, formica, polycot, melamine
The list of materials mentioned above can be classified as
(a) synthetic fibres and plastics.
(b) polyester fibres and objects made of glass.
(c) man-made materials and plastics.
(d) synthetic fibres and thermoplastics.

Q. Study the given flowchart carefully.

K, L, P a n d Q

K L P Q

Choose your answer from A, B, C and D and enter accordingly.

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