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Give reasons (a) Platinum, gold and si...

Give reasons
(a) Platinum, gold and silver are used to make jewellery.
(b) Sodium, potassium and lithium are stored under oil.
(c) Aluminium is a highly reactive metal, yet it is used to make utensils for cooking.
(d) Carbonate and sulphide ores are usually converted into oxides during the process of extraction.

A

only a

B

only a and b

C

only c and d

D

all

Text Solution

Verified by Experts

The correct Answer is:
B
Amdie and N-butyl lithium
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