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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?
- Rusting of iron
- Burning of wood
- Digesting food
- Cooking an egg (correct)
Which state of matter has the highest kinetic energy?
Which state of matter has the highest kinetic energy?
- Plasma (correct)
- Liquid
- Solid
- Gas
Which of the following substances has the highest boiling point?
Which of the following substances has the highest boiling point?
- Methane
- Carbon dioxide
- Ethanol
- Water (correct)
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