Question

When added to water, which of the following would produce a base?

1) Na₂O
2) CO₂
3) Cl₂
4) SO₃

Answer 1

Na₂O would produce a base when added to water.

Step-by-step explanation:

When added to water, Na₂O would produce a base. Na₂O is sodium oxide, which reacts with water to form sodium hydroxide (NaOH), a strong base.