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Questions and Answers
Which of the following is an example of a pure substance?
Which of the following is an example of a pure substance?
- Water
- Milk
- Salt (correct)
- Air
Which of the following is a heterogeneous mixture?
Which of the following is a heterogeneous mixture?
- Air
- Vinegar
- Sugar dissolved in water
- Orange juice (correct)
Which of the following is not a physical change?
Which of the following is not a physical change?
- Dissolving sugar in water
- Burning of wood (correct)
- Melting of ice
- Boiling of water
