Watch
the video and then try to answer the questions.
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Think for Yourself... |
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Why is it necessary to heat
the carbon to start with? 
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Why doesn't the
carbon melt?
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Why can the heating
be stopped?
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One substance is
formed in the reaction. What is it likely to be?
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Why do the lumps
of carbon get smaller, and why is there nothing to see
at the end?
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