Definition of Polyester for class 8 science.

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Synthetic Fibres and Plastics (4/9) Rayon - Properties, Uses, Examples - Class 8 Science NCERT

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Definition of Polythene for class 8 science.

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Synthetic Fibres: Acrylic - Synthetic Fibres and Plastics | Class 8 Science

Thermoplastics and Thermosetting Plastics | Meaning, difference, uses.

Definition of Polymer for class 8 science.

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Thermoplastics vs Thermosetting Plastics

Definition of Artificial silk for class 8 science.