CH-99
Types of oxides
Chemistry · Secondary 3 · Medium · Types of oxides
A sample of magnesium oxide is added to dilute hydrochloric acid. Which observation shows that magnesium oxide is a basic oxide?
- The solid dissolves and the pH of the solution increases towards 7.
- The solid dissolves and the pH of the solution decreases.
- No change is seen and the pH remains at 1.
- A gas is produced and the pH remains unchanged.
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