Match the items in column A with the items in column B. Column A Column B 1. Rayon a. Wrinkle-free fabric 2. Polyester b. Cannot be remoulded on heating 3. Nylon c. Chemical products derived from petroleum 4. Teflon d. Non-stick cookware 5. Thermoplastics e. Impart a sweet smell to fruits 6. Thermosetting Plastics f. Can be remoulded on heating 7. Petrochemicals g. Parachutes 8. Ester h. Bedsheets

1. Rayon is used in making of bedsheets. It is mixed with cotton to make bedsheets. 2. Polyester is a wrinkle-free fabric. It is a polymer of ester. 3. Nylon is used in making of parachutes. It has good wind resistance and elasticity. 4. Teflon is used in non-stick cookware. It has high melting point. 5. Thermoplastics can be remoulded on heating. These can be cooled or heated several times without chemical change. 6. Thermosetting plastics cannot be remoulded on heating. These become rigid after heating and does not come back to original shape. 7. Petrochemicals are the chemical products derived from petroleum. These are obtained by refining and processing of petroleum. 8. Esters impart sweet smell to fruits. These are used to flavour foods and sweets. Column A Column B 1. Rayon a. Bedsheets 2. Polyester b. Wrinkle-free fabric 3. Nylon c. Parachutes 4. Teflon d. Non-stick cookware 5. Thermoplastics e. Can be remoulded on heating 6. Thermosetting plastics f. Cannot be remoulded on heating 7. Petrochemicals g. Chemical products derived from petroleum 8. Esters h. Impart a sweet smell to fruits

Acrylic is a type of synthetic fibre obtained from the polymerisation of a chemical called acrylonitrile. Acrylic is cheaper than natural wool and can be dyed in various colour.

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Study Mate Science Class 8>Chapter 3 - Synthetic Fibres and Plastics>NUT Cracker>Q IV

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Cellulose is made up of a large number of ____ units.

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Important Questions on Synthetic Fibres and Plastics

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Study Mate Science Class 8>Chapter 3 - Synthetic Fibres and Plastics>NUT Cracker>Q IV

One of the following is used for making lightweight sails:

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Study Mate Science Class 8>Chapter 3 - Synthetic Fibres and Plastics>NUT Cracker>Q IV

Grocery bags are made from:

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Study Mate Science Class 8>Chapter 3 - Synthetic Fibres and Plastics>NUT Cracker>Q IV

Thermocol is a form of

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Study Mate Science Class 8>Chapter 3 - Synthetic Fibres and Plastics>NUT Cracker>Q IV

Which of the following plastics is used for making sanitary fittings?

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Study Mate Science Class 8>Chapter 3 - Synthetic Fibres and Plastics>NUT Cracker>Q V

Match the items in column A with the items in column B.

Column A	Column B
1. Rayon	a. Wrinkle-free fabric
2. Polyester	b. Cannot be remoulded on heating
3. Nylon	c. Chemical products derived from petroleum
4. Teflon	d. Non-stick cookware
5. Thermoplastics	e. Impart a sweet smell to fruits
6. Thermosetting Plastics	f. Can be remoulded on heating
7. Petrochemicals	g. Parachutes
8. Ester	h. Bedsheets