Acids, Bases, and Salts Worksheet
Explore the properties of acids, bases, and salts with this Grade 7 science worksheet, covering pH, indicators, and neutralization reactions.
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Acids, Bases, and Salts
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Read each question carefully and answer to the best of your ability. Use complete sentences where appropriate.
1. Which of the following describes an acid?
Tastes bitter and feels slippery
Tastes sour and turns blue litmus paper red
Has a pH greater than 7
Produces hydroxide ions in solution
2. What is the pH of a neutral solution?
0
7
14
Any value less than 7
1. A substance that turns red litmus paper blue is a .
2. When an acid and a base react, they form a salt and .
3. The pH scale ranges from to .
1. Explain the difference between an acid and a base. Give one example of each.
1. All acids are dangerous to touch.
True
False
2. A neutralization reaction produces a salt and water.
True
False
Observe the pH scale below and answer the questions.
1. What pH value indicates a strong acid?
2. Give an example of a substance that would be found at pH 13.
Match the term with its definition.
1. Acid
a. A compound formed from the reaction of an acid and a base
2. Base
b. A substance with a pH less than 7
3. Salt
c. A substance with a pH greater than 7