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Give reasons, why : 1) Silver is used in jewellery. 2) Copper is used in electrical wiring. 3) Sodium is stored in kerosene oil.

Give reasons, why :

1) Silver is used in jewellery.
2) Copper is used in electrical wiring.
3) Sodium is stored in kerosene oil.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
1) Silver does not corrode and it is malleable and ductile, therefore, it can be used in jewellery. 2) Copper is used in electrical wiring because it is a good conductor of electricity. 3) Sodium has low ignition temperature. It oxidises quickly and bums when exposed to air. It can only be stored in a liquid hydrocarbon like mineral oil or kerosene oil.

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