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Upon hearing a small sample of red powder, it darkens and then suddenly changes into a shiny silvery liquid. This student can conclude:

Upon hearing a small sample of red powder, it darkens and then suddenly changes into a shiny silvery liquid. This student can conclude:
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Upon hearing a small sample of red powder, it darkens and then suddenly changes into a shiny silvery liquid. This student can conclude:

User Alex Florescu
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The student can conclude that the substance is cinnabar, mercury (II) sulfide HgS
User Niklodeon
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