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4 Written questions

3 Multiple choice questions

  1. What is a catalyst?
  2. What is a product?
  3. What is a decomposition reaction?

3 True/False questions

  1. A reaction that requires heat.What is an endothermic reaction?

          

  2. A chemical reaction in which heat is released to the surroundings.What is an endothermic reaction?

          

  3. A substance or molecule that participates in a reaction.What is a reactant?