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Questions and Answers
Which of the following is an example of a homogeneous mixture?
Which of the following is an example of a homogeneous mixture?
- Salt
- Sugar dissolved in water (correct)
- Iron
- Oxygen
Which of the following is an example of a heterogeneous mixture?
Which of the following is an example of a heterogeneous mixture?
- Iron
- Sugar dissolved in water
- Salt
- A salad with various ingredients (correct)
What is an element?
What is an element?
- A uniform mixture at the molecular level
- A chemical combination of different elements
- A substance that cannot be broken down into simpler substances (correct)
- A mixture with visibly distinguishable components
What is a compound?
What is a compound?
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What is the purpose of expressing numbers in scientific notation?
What is the purpose of expressing numbers in scientific notation?
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