Colorado Esthetician Written Practice Exam

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What happens to the properties of substances involved in a chemical change?

  1. They remain the same

  2. They become identical to each other

  3. They change to form new substances with different properties

  4. They dissolve uniformly

The correct answer is: They change to form new substances with different properties

During a chemical change, the properties of the substances involved do not remain the same or become identical to each other. Instead, they undergo a transformation and combine to form new substances with different properties. This is a fundamental concept in chemistry where the rearrangement of atoms leads to the formation of completely new compounds with distinct characteristics. Therefore, option C is the correct choice as it accurately reflects the outcome of substances in a chemical change.

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