Chemistry, asked by deepaklodhi77, 5 months ago

Give reasons (2M) (a) Platinum, gold and silver are used to make jewellery. (b) Sodium, potassium and lithium are stored under oil.

Answers

Answered by aryadambhare

Answer:

a. platinum gold silver are used to make jewellery because they do not react with air and water and hence do not get corroded.

b. sodium potassium and lithium are highly corrosive metals they can react vigorously with air and water very rapidly so they are stored in kerosene or oil.

Explanation:

Answered by deeptividhuri10

Answer:

ANSWER

(a) Platinum, gold and silver are used to make jewellery because these are low reactive metals. So they rarely corrode and hence do not lose their shine and lustre.

(b) The reaction of these substances with oxygen is highly exothermic which may cause fire, also they react with water to form base so they are kept in oil.

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