Chemistry
Grade-10
Easy

Question

Select the acidic oxide from the given options.

  1. Na2O
  2. CO
  3. CO2
  4. Al2O3

hintHint:

COwhen dissolved in water produces carbonic acid.

The correct answer is: CO2


    Acidic oxide produces an acidic solution upon addition to water or when combined with bases, they produce salts. When carbon dioxide is dissolved in water it produces carbonic acid and solution turns blue Litmus red. Litmus test of aqueous carbon dioxide indicate acidic nature of Carbon dioxide.

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