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The least reliable indicator of a chemical change is shape. Change of shape usually indicates a physical change, unless the material change resulted from a recombination or decomposition of the material's chemical form, as in the rotting of vegetable matter.

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Is color he least reliable indicator of a chemical change?

No, the least reliable indicator of a chemical change is shape. Change of shape usually indicates a physical change, unless the material change resulted from a recombination or decomposition of the material's chemical form, as in the rotting of vegetable matter.


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At least 2 of the reactants must change their chemical formula.


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Is light a physical property ora chemical change?

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Is mold a chemical change?

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Must a new substance be formed when you observe a chemical propery?

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Which mineral property is the least reliable for identifying a mineral?

Color is the least reliable property for identifying a mineral because many minerals can have the same color but different compositions.


How is nuclear change differ from normal chemical change?

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Is spray painting a car a physical change or chemical change?

Both, strangely enough. Applying the paint to the car is a physical change. The paint is a polyurethane compound. When you get it, it's in at least two containers - the paint, and a hardener. Stir them together and they undergo a chemical change.