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Questions and Answers
Which of the following is an example of an element?
Which of the following is an example of an element?
- Oxygen (correct)
- Water
- Carbon dioxide
- Table salt
What is a compound?
What is a compound?
- A substance that cannot be reduced to a simpler substance
- A substance that can be separated by physical means
- A combination of elements and compounds
- A chemical combination of elements (correct)
Which of the following is an example of a mixture?
Which of the following is an example of a mixture?
- Air (correct)
- Silver
- Gold
- Iron
How many known elements are there?
How many known elements are there?
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What is the difference between separating a compound and separating a mixture?
What is the difference between separating a compound and separating a mixture?
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