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Questions and Answers
Which of the following is an example of a physical change?
Which of the following is an example of a physical change?
- Cooking an egg
- Burning wood
- Rusting iron
- Melting ice (correct)
What is a characteristic of a chemical change?
What is a characteristic of a chemical change?
- Change in state
- Change in shape
- Formation of a new substance (correct)
- Change in size
Which of the following is an example of a chemical change?
Which of the following is an example of a chemical change?
- Baking a cake (correct)
- Freezing water
- Cutting paper
- Mixing salt and sugar
Study Notes
Physical Changes
- Melting of ice is an example of a physical change, as it involves a change in state from solid to liquid without altering the composition of the substance.
Chemical Changes
- A characteristic of a chemical change is the formation of new substances, often accompanied by a change in color, odor, or production of heat or light.
- Burning of gasoline is an example of a chemical change, as it involves the reaction of gasoline with oxygen to produce new substances such as carbon dioxide and water, releasing heat and light in the process.
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Description
Test your knowledge of physical and chemical changes with this quiz! Identify examples of physical and chemical changes, and learn about the characteristics that distinguish the two types of changes.
