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Which of these is a pure substance that cannot be broken down by a chemical reaction? A) Compound B) Mixture C) Element D) Neutron
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Which of these is a pure substance that cannot be broken down by a chemical reaction?

A) Compound
B) Mixture
C) Element
D) Neutron

User Robert Townley
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1 Answer

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An element is a pure substance that cannot be broken down by a chemical reaction.
User Rhak Kahr
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