Why did the grape juice change color

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Reference no: EM13845394

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


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.

Reference no: EM13845394

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