Chemistry Unit Test Review

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Across
  1. 2. Limestone is a base and will __________ with an acid.
  2. 4. Energy is transferred from the surroundings to the reactants in a ________ reaction
  3. 7. When put into water, acids release _________ ions.
  4. 8. When bases are put in water, they release _____________ ions.
  5. 9. In a chemical reaction the atoms will be
  6. 11. The reactants are different from the products in a ________change
  7. 14. A phase change is a type of
  8. 17. A solution that has a pH above 7 is a ______
  9. 18. In a combustion reaction, the products always have _______.
Down
  1. 1. Energy was absorbed to ________ bonds
  2. 3. Energy goes from the reactants to the surroundings in a ______ reaction
  3. 5. This type of chemical reaction has the equation: A + B --> AB
  4. 6. Energy is released to _________ bonds
  5. 10. In an exothermic reaction, energy is _________ from the reactants into the surroundings.
  6. 12. Chemical energy is energy that is present in _____________
  7. 13. When acids and bases neutralize they produce a _________
  8. 15. This type of paper indicator gives the specific pH
  9. 16. When hydronium, H3O+ and hydroxide, OH- react what is produced is ______________