What happens when a solution of metal oxide is tested with (i) blue litmus and (ii) red litmus ?

Explanation

To answer the question about what happens when a solution of metal oxide is tested with blue and red litmus, we can break it down into the following steps:

### Step-by-Step Solution:

1. **Understanding Metal Oxides**:
- Metal oxides are compounds formed from metals and oxygen. When they dissolve in water, they typically form basic solutions.

2. **Formation of a Base**:
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