Problem: A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C. The gas has exactly the same properties as the product obtained when carbon is burned in an excess of oxygen.Based on these observations, can we determine whether solid A is an element or a compound?

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A → B + C


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Problem Details

A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C. The gas has exactly the same properties as the product obtained when carbon is burned in an excess of oxygen.

Based on these observations, can we determine whether solid A is an element or a compound?

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