Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

1. Acid + Alkali = + water

2. Hydrochloric acid + Sodium hydroxide = + water

3.Hydrochloric acid + calcium hydroxide = + water

4.Sulphuric acid + Sodium hyroxide = + water

5.Nitric acid +magnesium hydroxide = +water