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20 February, 16:22

The melting of wax is a physical change, yet the burning of wax is a chemical change. what is the essential difference between the physical change and the chemical change of wax in a burning candle?

A. The burning of wax forms new compounds, while the melting of wax does not.

B. A higher temperature is needed to burn wax than to melt wax.

C. Melted wax can be separated into other substances, while solid wax cannot.

D. Melted wax is a different phase of matter than solid wax.

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  1. 20 February, 18:07
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    C. Melted wax can be separated into other substance, which solid wax cannot.
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