Question: Does each statement represent a physical change or a chemical change? a. Graphite, a form of elemental carbon, can be turned into diamond, another form

Does each statement represent a physical change or a chemical change?
a. Graphite, a form of elemental carbon, can be turned into diamond, another form of carbon, at very high temperatures and pressures.
b. The house across the street has been painted a new color.
c. The elements sodium and chlorine come together to make a new substance called sodium chloride.

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