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Substance A does not have fixed melting and boiling points. Substance B has fixed melting and boiling points and cannot be broken down by chemical reactions. Substance C has fixed melting and boiling points and breaks down into simpler substances when heated. Identify which substance is: a, An element b, A compound c, A mixture.
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Substance A does not have fixed melting and boiling points. Substance B has fixed melting and boilin...
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