isabellaludlow101 isabellaludlow101

07-10-2022
Chemistry

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When Tabitha was testing a substance she thought might be heroin, she added the Marquis reagent chemical to the substance. It turned purple, so she was able to verify it was heroin. What does this BEST demonstrate?

A.
demonstrative evidence

B.
individual characteristics

C.
physical properties

D.
chemical properties

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