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Fifth Grade (Grade 5) Reactions Questions

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Grade 5 Reactions
Which is a chemical reaction?
  1. paper tears
  2. sugar dissolves
  3. water boils
  4. paper burns
Grade 5 Reactions
Grade 5 Reactions
What new substances can be formed when table salt is added to copper and aluminum?
  1. copper (II) oxide and aluminum oxide
  2. copper (II) oxide and aluminum chloride
  3. copper (II) chloride and aluminum chloride
  4. copper (II) chloride and aluminum oxide
  5. none of the above
Grade 5 Reactions
What two substances can speed up rusting?
  1. Water and chlorine
  2. Water and Salt
  3. Alcohol and Vinegar
  4. None of the above
Grade 5 Reactions
When a copper penny oxidizes, it forms a new substance called:
  1. iron oxide
  2. copper sulphate
  3. copper oxide
  4. aluminium oxide
  5. copper chloride
Grade 5 Reactions
Chemical Equation
  1. The process by which particles leave a liquid and become a gas.
  2. A substance made by a chemical reaction.
  3. A statement of chemical symbols that shows what happens during a chemical reaction.
  4. A change in which matter keeps the same chemical properties; a change in size, shape, volume, or state of matter.
Grade 5 Reactions
  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.
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