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    1. 2H2 +O2= ?

    2. What is thermal decomposition reaction?

    3. What can we represent a reaction with?

    4. What does adding a catalyst do to a reaction?

    5. Are the products on the left or _______ ?

    6. What can cause climate change?

    7. What happens to atoms in a reaction?

    8. Magnesium + Oxygen= ?

    9. What is conservation of mass?

    10. What is a chemical reaction?