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Chemistry Webquest Worksheet – Acids and Bases
Part 1: General Information
1. Which liquid is neither considered an acid or base?
2. How is distilled water different from tap water? How does this affect its pH?
3. What kind of ion is associated with acids?
4. What kind of ion is associated with bases?
5. What is another name for base?
6. The site you read from above gave the definition of acids and bases according to the
Arrhenius definition. How do the Bronsted-Lowry and Lewis definitions of acids and
bases differ from the Arrhenius definition? Does this make the Arrhenius definition
inaccurate?
7. Make a list of the physical and chemical properties of acids and bases.
Part 2: pH and Other Acid/Base Indicators
8. How does the concept of pH help you to better understand acids and bases?
a. What pH is neutral?
b. What pH is acidic?
c. What pH is basic?
d. What is the difference between a pH of 2 vs a pH of 6?
e. Do fruits contain acids or bases?
9. What is the limitation of using litmus paper?
10. What is the natural color of litmus paper?
11. How can litmus paper be used at its natural color?
12. How can changing the color of litmus paper be useful?
13. What are pH indicators and how do they work?
14. What is the most precise way to measure pH?
Part 3: Neutralization Reactions
15. A neutralization reaction is a _________ replacement reaction that starts with an
________ and a __________ and ends with __________ and a ___________.
16. Try to complete each of these neutralization reactions on your own first and then
check your answers on the website.
HNO3 + KOH -->
H3PO4 + 3 NaOH -->