Assignment #12: Types of Chemical/Physical Changes Quiz

Name (First and Last)

Class Period

• Period 1
• Period 2
• Period 3
• Period 4
• Period 5

1. Which of the following is an indicator of a chemical change?

• A) Melting
• B) Color change
• C) Freezing
• D) Cutting

2. What does the production of gas during a reaction indicate?

• A) A physical change
• B) A chemical change
• C) No change
• D) A change in state

3. Which term describes a reaction that absorbs heat?

• A) Exothermic
• B) Endothermic
• C) Combustion
• D) Neutralization

4. What is a precipitate?

• A) A gas formed in a reaction
• B) A solid formed from a solution
• C) A liquid formed from a gas
• D) A color change

5. Which of the following is NOT an indicator of a chemical change?

• A) Temperature change
• B) Odor change
• C) Dissolving
• D) Gas production

6. What does a change in odor during a reaction suggest?

• A) A physical change
• B) A chemical change
• C) No change
• D) A change in state

7. Which of the following reactions is likely to produce a precipitate?

• A) Mixing vinegar and baking soda
• B) Mixing salt and water
• C) Mixing silver nitrate and sodium chloride
• D) Melting ice

8. What is the term for a reaction that releases heat?

• A) Endothermic
• B) Exothermic
• C) Catalytic
• D) Neutral