Question

Find the odd one :copper, aluminium, sodium, gold

Answer 1

Answer:

sodium is the odd one out

Answer 2

Metals property

Explanation:

• Copper, aluminium, sodium and gold all are metals.
• But among all these, sodium is the odd one out.
• Copper, aluminium and gold all are hard metals whereas sodium is a soft metal which can be cut through knife easily but others cannot be cut or compressed.
• Sodium is highly reactive metal that is why stored in kerosene on the other hand other are not highly reactive.
• Because of the high reactivity of sodium is not used in making utensils, jewelry and ornaments but others are used for this purpose.

So, among copper, aluminium, sodium and gold - sodium is odd one out.