Give reasons:
1) Copper is used to make electrical wires.
2) Chemistry is widely used in textile industry
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Answer:
1:COPPER IS A METAL IT'S DUCTILE AND A BAD CONDUCTOR OF ELECTRICITY.
2.BASIC KNOWLEDGE OF CHEMISTRY IS IMPORTANT TO UNDERSTAND TEXTILE INDUSTRY.
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Answer (a) Copper metal is used for making electric wires because it is highly ductile in nature. It is a good conductor of electricity. The property of metals which enables them to be drawn into wires is called Ductility. Due to this property metals can be stretched without breaking and drawn into thin wires.
(b)Textiles for clothes are also sometimes finished with chemicals, for example, to stiffen them and make them wrinkle-free. Chemicals in their nanoforms are helping make textiles more resistant to water, stains, wrinkles, bacteria and mould. Some of the chemicals can be harmful.
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