Give reasons, why :
a)Silver is used in jewellery.
b)_Copper is used in electrical wiring.
c)Sodium is stored in kerosene oil.
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a) Its high luster and reflectivity make it perfect for jewelry, silverware, and mirrors. Its malleability, which allows it to be flattened into sheets, and ductility,
b)Copper is used in electric wiring as copper is the best electric conductor and is cheap
c)Sodium is stored in kerosene as sodium is very reactive and can catch fire if exposed to air so to stop this it is stored in kerosene as kerosene forms a layer around the sodium stopping the contact from air]
thx hope it helps you
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