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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?
- Melting of ice (correct)
- Burning of wood
- Rusting of iron
- Cooking an egg
Which of the following is a chemical change?
Which of the following is a chemical change?
- Cutting a piece of wood
- Freezing water into ice
- Dissolving salt in water
- Burning paper (correct)
What happens to the mass of a substance during a physical change?
What happens to the mass of a substance during a physical change?
- It fluctuates
- It decreases
- It increases
- It remains the same (correct)
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