Solve the crossword by using the clues that below:
Across:
1. The acid found in apples.
3. The ion formed when an acid is dissolved in water.
5. An indicator that remains colourless in an acid.
7. The gas liberated when dilute hydrochloric acid reacts with limestone.
9. A gas that dissolved in water to form ammonium hydroxide.
Down:
2. An acid used for cooking.
4. An acid that has three hydrogen atoms in its moelcule.
6. A reaction in which an acid reacts w’ith a base to form salt and water only.
8. A base that is soluble in water.
10. The chemical name of this compound is calcium hydroxide.
