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Grade 9 Chemical Reactions Worksheet

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Chemical Reactions

Grade 9 · Science
  • 1.What do we call the starting substances in a chemical reaction? 
  • 2.What do we call a reaction that absorbs heat? 
  • 3.What do we call a reaction that releases heat? 
  • 4.What law says matter can't be created or destroyed in a reaction? 
  • 5.Name one common sign that a chemical reaction has happened. 
  • 6.What do we call the new substances formed by a chemical reaction? 

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