Pre-Lab Questions:
1. What is a neutralization reaction?
2. Hydrochloric acid (HCl) is a strong acid. About what pH would you expect it to be?
3. Sodium hydroxide (NaOH) is a strong base. About what pH would you expect it to be?
Experiment 1: Acidity of Common Household Products
Questions
1. Why did the grape juice change color when an acid or base was added?
2. You added a base, sodium bicarbonate, to test tube 1 that contained citric acid and an acid to test tube 2 that contained base. Why did the grape juice return to its original color?
3. Name 2 acids and 2 bases you often use.