Multiple choice

The oxides formed by metals are ______________________.

  1. always basic

  2. always acidic

  3. always neutral

  4. both acidic and basic

  5. both acidic and neutral
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Metal oxides are basic in nature because they react with diluted acids to form salt and water. They also dissolve in water to form metal hydroxides which are alkaline in nature. These metal hydroxides release OH- ions, so they are always basic.

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