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Which is not a clue that could indicate a chemical change?

Question

Which is not a clue that could indicate a chemical change?

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Solution

A chemical change often involves several clues or indicators such as a change in color, the formation of a gas (bubbling, fizzing, smell, etc.), a change in temperature (hot or cold), the formation of a precipitate (a solid that forms and settles out of a liquid mixture), and the production of light.

However, a change in shape or form (like cutting or tearing a piece of paper) does not indicate a chemical change. This is a physical change, as it doesn't alter the substance's identity or properties at the molecular level.

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