Question

Choose the odd one out from the following and give reason for the choice: Cu, MgO, Al, He ​

Answer 1

Answer:

mgo

Explanation:

because all the rest are elements but mgo is a compound

Answer 2

Answer:

The odd one is MgO

Explanation:

Cu=Copper

Al=Aluminium

He=Helium

MgO=Magnesium Oxide

So, Cu,Al,He are single element

But MgO is a double element