Physical Science
Physical Science Name
Acid Base worksheet
1. Identify each of the following as a characteristic of an acid or base.
a. _________________ turns litmus red
b. _________________ feel slippery
c. _________________ has a pH > 7
d. _________________ tastes sour
e. _________________ produces H3O+1 when dissolved in water
f. _________________ produces OH-1 when dissolved in water
g. _________________ turns litmus blue
h. _________________ tastes bitter
i. _________________ has a pH < 7
2. What is an indicator? ____________________________________________________________________________
3. Which indicator turns red or blue according to pH? ____________________
4. Which indicator can turn any color of the rainbow according to pH? ________________________________
5. What is an electrolyte? ____________________________________________________________________________
6. What is the most widely used industrial acid? _____________________
7. Which acid is found in your stomach? _________________________
8. Where do you find acetic acid? _______________________
9. What element is always in the formula of an acid? ___________________
10. What polyatomic ion is always in the formula of a base? ___________________
11. On the line pH scale below, label the following.
a. the range of values
b. strong acids
c. strong bases
d. weak acids
e. weak bases
f. neutral substances
12. Looking at the chemical formulas, label each of the following as either an acid or a base.
a. _______________ KOH
b. _______________ H2SO4
c. _______________ HCl
d. _______________NH4OH
e. _______________ Al(OH)3
f. _______________ H3P
13. Using the following pH values, list the items in order beginning with the strongest base and ending with the strongest acid.
|SUBSTANCE |pH |
|ammonia |12.4 |
|antacid |8.1 |
|apple juice |3.6 |
|baking soda |9.1 |
|battery acid |0.5 |
|black coffee |5.3 |
|drain cleaner |13.6 |
|hand soap |10.2 |
|table salt |7.0 |
|stomach acid |2.4 |
strongest base
strongest acid
14. What are the 2 products of a neutralization reaction? ________________________________________
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