Question

Give reasons :
(a) Platinum, gold and silver are used to make jewellery.
(b) Metals like sodium and potassium are stored under oil.​

Answer 1

Answer

a)Platinum, gold and silver are used to make jewels as they are lustrous and ductile and malleable.

b)Metals like sodium and potassium are stored under oil , as it reacts vigorously when kept in open as well as in water. As they don't react with oil , they are stored under oil.

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