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Standard VIII

Chemistry

Characteristics of Plastics

Which plastic...

Question

Which plastic is used in making parts of refrigerators, gears of machines and toys?

Polyethylene

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Polystyrene

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Bakelite

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Polyester

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Solution

The correct option is B
Polystyrene

A type of thermoplastic called polystyrene is used to make thermo-insulating parts of electrical appliances like refrigerators, gears of machines, toys, covers of CD, DVD etc.

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Similar questions

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(a) teflon (b) melamine (c) PET (d) bakelite

Q. Which of the following can be repeatedly soften on heating?
(i) Polystyrene

(ii) Melamine
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Q. PVC (polyvinyl chloride) is a thermoplastic and is used for making toys, chappals, etc. Bakelite is a thermosetting plastic and is used for making electrical switches, handles of various utensils, etc. Can you write the major difference between these two types of plastics?

Q. Which of these plastics is a polymer?
(a) bakelite
(b) polystyrene
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(d) all of these

Q. Study the given flowchart carefully.

K, L, P a n d Q

plastics are

K L P Q

(A)

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

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Which plastic is used in making parts of refrigerators, gears of machines and toys?

The correct option is B Polystyrene A type of thermoplastic called polystyrene is used to make thermo-insulating parts of electrical appliances like refrigerators, gears of machines, toys, covers of CD, DVD etc.

The correct option is B
Polystyrene

A type of thermoplastic called polystyrene is used to make thermo-insulating parts of electrical appliances like refrigerators, gears of machines, toys, covers of CD, DVD etc.