Acid-Base Reactions Worksheet
Explore the fundamentals of acid-base reactions, pH scale, and neutralization with this Grade 9 science worksheet.
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Acid-Base Reactions
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following is typically true for an acid?
Turns red litmus paper blue
Has a pH greater than 7
Reacts with metals to produce hydrogen gas
Feels slippery to the touch
2. A substance with a pH of 13 is considered a:
Strong acid
Weak acid
Strong base
Neutral solution
3. The reaction between an acid and a base is called .
4. Acids typically have a sour taste, while bases typically taste .
5. A solution with a pH of 7 is considered .
6. Briefly explain the difference between a strong acid and a weak acid.
7. Refer to the pH scale diagram below to answer the following questions.
a) What pH value indicates a neutral substance?
b) Give an example of a substance that is a strong acid according to the scale.
c) Give an example of a substance that is a strong base according to the scale.
8. All acids are dangerous to touch.
True
False
9. A neutralization reaction always produces water and a salt.
True
False
10. You have an unknown liquid. Describe a simple experiment you could perform to determine if it is an acid or a base.