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A white powder when heated produces a colourless gas and a black solid is the white powder a element?
Wiki User
∙ 9y ago
It's a compound. If it was all one element it would all change the same way into the same thing. Since it's a compound, the molecules break up and the groups of atoms react differently to the heating (one becomes a gas, the other remains solid).
Wiki User
∙ 14y ago
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What is the appearance of sugar?
It depends on how you are looking at it. Normally, it appears as a white crystalline powder.
