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Chemistry Quiz Review

Chemistry Quiz Review. Vera & Kovk. Question 1. A _________ __ _ ________ can be a clue that a chemical reaction has taken place. Formation of a Precipitate. Question 2 . Make sure you can count the _____ in a formula. Atoms. Question 3. True or False?

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Chemistry Quiz Review

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  1. Chemistry Quiz Review Vera & Kovk

  2. Question 1 A _________ __ _ ________ can be a clue that a chemical reaction has taken place.

  3. Formation of a Precipitate

  4. Question 2 Make sure you can count the _____ in a formula.

  5. Atoms

  6. Question 3 True or False? A formula shows you how many atoms are in a molecule.

  7. True

  8. Question 4 Is a precipitate a solid that sometimes forms when two liquids are mixed?

  9. YES

  10. Question 5 True or False? In an exothermic reaction more energy is absorbed than released.

  11. False

  12. Question 6 Reactivity is a measure of how easily one ______ reacts with others.

  13. Molecule

  14. Question 7 _______ can help a reaction happen faster.

  15. Catalysts

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