Question

A metal was burnt in air. The substance formed was dissolved in water and tested with blue and red litmus paper. What result do you expect?

Answer 1

Answer:

Explanation:

Here, most of the metal oxides (except Mn₂O₇) are basic, and when they are dissolved in water, the form a base,  or rather, an alkali. So, blue litmus will not react and red litmus forms blue colour