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Which of the following is an example of a chemical substance?
Which of the following is an example of a chemical substance?
What sets pure chemical substances apart from mixtures?
What sets pure chemical substances apart from mixtures?
Which of the following is a simple substance?
Which of the following is a simple substance?
In what state do chemical substances exist?
In what state do chemical substances exist?
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What is the definition of a chemical substance?
What is the definition of a chemical substance?
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