Plastics

IMPORTANT

Plastics: Overview

This Topic covers sub-topics such as Plastics, Polythene, Thermoplastics, Types of Plastics, Thermosetting Plastics, Properties of Bakelite, Applications of Bakelite, Properties of Melamine, Applications of Thermoplastics and, PVC as a Thermoplastic

Important Questions on Plastics

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What is melamine?

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Bakelite is used for making floor tiles, kitchenware and fabrics which resist fire.

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What is bakelite?

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Bakelite is a poor conductor of heat and electricity.

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_____ is a versatile material. It resists fire and can tolerate heat better than other plastics.

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Write a note on melamine.

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Why bakelite is used for making electric switches?

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Which thermosetting plastic is used to make an electrical switch? Why?

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Which of the following is used in non-stick cookware?

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Why plastics are used to make handles of kitchen utensils, pressure cooker and fry pan?

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State two uses of plastics.

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Define thermoplastic.

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Which of the following can be made by using melamine?

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Choose the correct properties of plastic.

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Which of these properties of plastic makes it suitable for storing groceries at home?

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Which of the following plastic is fire-resistant?

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Which of the following materials are made from Bakelite?

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PVC is a type of 

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Choose the examples of thermoplastics from the given options?

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Which of the following is a type of plastic?