Question

Q.The following change is observed on dipping a litmus paper in aqueous solution of MgO.
A.red litmus turns blue,therefore MgO is alkaline. B.blue litmus turns red ,therefore MgO is acidic.
C.No colour change in litmus paper , therefore MgO is neutral
D.Litmus paper is decolourised , therefore MgO acts as bleaching agent.

Answer 1

Answer: a is the correct answer

Explanation:

MgO is alkaline as it is an oxide of a metal which are basic in nature

Answer 2

Answer:

A

Explanation:

Because mg is alkaline in nature