11. An example of a physical change. a Foam and bubbles form after mixing baking soda and vinegar. b. A glass cup falls from the counter and shatters on the ground. c. Paper burns up and leaves ashes. d. A plant uses sunlight and makes food.
12. Which is true about chemical change? a. It is reversible. b. It produces new materials. c. It changes only a material's color and odor. d. It does not change a material's size and shape.
13. An example of a chemical change is a. an old car rusting c. throwing a rock b. cutting a piece of paper d. crushing a can
14. Which shows a chemical change? a. Burning candle c. Burning a piece or paper b. Chewing a piece of bread d. Melting a piece of chocolate
15. It is the primary cause of rust because it contains oxygen. a. carbon dioxide b. water c. air d. hydrogen
Answers & Comments
11. A
12. B
13. A
14. A OR B ITS YOUR CHOOSE
15. B
Here is the examples of physical and chamical changes.
Answer:
1.a
2.a
3.c
4.b
5.b
Explanation:
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