When solid S1 is heated, it breaks up into gas G and another solid S2. The solids S1 and S2 and the gas G are all pure substances. On the basis of this information alone, which substance or substances must be compounds? A. S1 only B. S2 only C. S1 and S2 D. S1 and G
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When solid S1 is heated, it breaks up into gas G and another solid S2. The solids S1 and S2 and the...
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