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Jouer Froggy Jumps
1. What is the pH value of a neutral solution?
A
14
B
7
C
1
2. Which of the following is a strong acid?
A
Vinegar
B
Hydrochloric acid
C
Lemon juice
3. What is the chemical formula for hydrochloric acid?
A
HCl
B
NaCl
C
H2O
4. What color does litmus paper turn in the presence of an acid?
A
Red
B
Blue
C
Yellow
5. Which of the following is a weak base?
A
Ammonia
B
Potassium hydroxide
C
Sodium hydroxide
6. What is the pH value of a strong acid?
A
Below 1
B
Exactly 7
C
Above 7
7. What is the pH value of a strong base?
A
Above 13
B
Exactly 7
C
Below 7
8. What is the common name for sodium bicarbonate?
A
Baking soda
B
Salt
C
Bleach
9. What is the process called when an acid and a base react to form water and a salt?
A
Evaporation
B
Oxidation
C
Neutralization
10. Which of the following is a natural acid?
A
Ascorbic acid
B
Citric acid
C
Sulfuric acid