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Questions and Answers
Which of the following is a characteristic of a chemical reaction?
Which of the following is a characteristic of a chemical reaction?
- Formation of a new substance (correct)
- Increase in temperature
- Decrease in mass
- Change in physical appearance
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
- Digestion of food
- Rusting of iron
Which of the following is a chemical property of a substance?
Which of the following is a chemical property of a substance?
- Flammability (correct)
- Density
- Color
- Boiling point
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