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jean_cute18

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Mint Royce

What indication about combustion does it give?

I hold a cold evaporating dish near the top of the flame. I observe the black soot deposited on the dish. Why is the soot black? What indications about combustion does it give?
07:53 Fri 01st Jul 20051 answer, last by jean_cute18 07:46 Thu 07th Jul 2005

Only 1 question