Multiple choice

Barium oxide + hydrochloric acid --> ______ + ______

  1. barium chloride + water

  2. barium chloride + hydrogen

  3. barium sulfate + water

  4. barium sulfate + hydrogen

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Barium oxide (a metal oxide) reacts with hydrochloric acid to form barium chloride (a salt) and water.