reactions of oxides with dilute hydrochloric acid – Discussion Forum

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Virat

Asked: October 11, 2025In: Class 10 Science

Four statements about the reactions of oxides with dilute hydrochloric acid and aqueous sodium hydroxide are listed. I. Aluminium oxide reacts with both dilute hydrochloric acid and aqueous sodium hydroxide. II. Calcium oxide reacts with dilute hydrochloric acid and aqueous sodium hydroxide. III. Zinc oxide reacts with both dilute hydrochloric acid and aqueous sodium hydroxide. IV. Sulphur dioxide does not react with either dilute hydrochloric acid or aqueous sodium hydroxide. Which statements are correct?

Correct option – B (I and III). Aluminium oxide and zinc oxide are amphoteric and react with both dilute HCl and aqueous NaOH. Calcium oxide is basic (reacts with acid) and SO₂ is acidic (reacts with base). cbse sample paper 2025 ...