Subject : Science
Grade 8 A and B
Worksheet Related to Acid and Base
Solutions
Academic Year : 2023,2024
Chapter10 , Lesson 3
Term 2 / Part 2
Date:
Name :
Question 1:Circle the correct answer.
1. The table shows the pH of four substances.
pH Values
Substance
Blood
pH
Which best describes milk?
a.
slightly basic
b.
strongly basic
7.3
Orange Juice
4.0
c.
slightly acidic
Ammonia
11.0
d.
strongly acidic
Milk
6.5
2. A solution at pH 11.5 is ………. .
a. acidic
b. basic
c. neutral
d. none of the above
1
Vision: Harvard American School aspires to prepare a generation with academic excellence,
leadership skills and open to culture diversity while maintaining national identity.
3. Which of the following would be most useful in determining if a substance is either an acid or a
base?
a. filter paper
b. litmus paper
c. thermometer
d. triple beam balance
4. The table shows the pH of four substances.
pH Values
Substance
pH
Blood
7.3
Orange Juice
4.0
Ammonia
11.0
Milk
6.5
Which lists the substances from least to most acidic?
a.
ammonia, blood, milk, orange juice
b.
orange juice, milk, blood, ammonia
c.
ammonia, milk, blood, orange juice
d.
orange juice, blood, milk, ammonia
5. The table shows the pH of four substances. Which substance is the most alkaline?
pH Values
Substance
pH
Blood
7.3
Orange Juice 4.0
Ammonia
11.0
Milk
6.5
a.
b.
c.
d.
blood
orange juice
ammonia
milk
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Vision: Harvard American School aspires to prepare a generation with academic excellence,
leadership skills and open to culture diversity while maintaining national identity.
Question 2
Acid and Base
1. List three similarities between acid and base.
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2. Use the table below to record information about the properties of acids and bases.
Fill in each space in the table.
Properties of Acids and Bases
Acids
Bases
3.Interpreting a Diagram
Directions: Label this diagram by writing the correct term from the word bank on each line.
acid
base
hydronium ion
hydroxide ion
Acids in Water
1.
2.
3.
Vision: Harvard American School aspires to prepare a generation with academic excellence,
leadership skills and open to culture diversity while maintaining national identity.
3
4. Look at the bar graphs below then answer the questions .
a) Identify the type of solution A ,B , and C . Explain your answer.
b) What methods can be used to measure pH?
4
Vision: Harvard American School aspires to prepare a generation with academic excellence,
leadership skills and open to culture diversity while maintaining national identity.