Class 8ScienceSynthetic Fibres and Plastics

Synthetic Fibres

Made from chemical processes (petrochemicals). Unlike natural fibres (cotton, silk, wool). Types: NYLON — first synthetic fibre (1935), strong, elastic, durable, used in parachutes, ropes, brushes, stockings. POLYESTER — resists wrinkles, dries quickly, blend with cotton (polycot). ACRYLIC — looks like wool, cheaper, used in blankets/sweaters. RAYON — from wood pulp, silk-like, blend natural+synthetic.

How to study this topic

Read the core explanation once without solving.
Open the formula links below and connect them with the topic meaning.
Practice the 10 example pages one by one.
Use the AI ask page for text, voice or image-based doubts.

10 example pages

Concept check 1

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Definition to application 2

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Formula warm-up 3

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Reasoning practice 4

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Board-style short answer 5

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Mistake correction 6

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Visual interpretation 7

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Applied word problem 8

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Revision challenge 9

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Exam recap 10

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