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9 March, 05:05

An experiment applies heat to a substance and produces a gas that is a new and different substance. Choose the true statement.

A. This represents a physical change only.

B. This represents a chemical change only.

C. This represents both a physical and a chemical change.

D. This represents neither a physical change nor a chemical change.

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  1. 9 March, 07:16
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    I believe it is C; reasoning being that the hint for physical change is," the producing of a gas," chemical "that's new and diff. substance."
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