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Type: Multiple-Choice
Category: Reactions
Level: Grade 8
Author: roxyenright
Last Modified: 6 years ago

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Grade 8 Reactions

A product is
  1. a substance used in a chemical reaction.
  2. the process by which particles leave a gas and become a liquid.
  3. the process by which a solid changes directly into a gas.
  4. a substance made by a chemical reaction.