Tuesday, October 8, 2013

Test Yourself Answers and Quizlet Link

Page 81

1. A
2. C
3. B
4. D
5. B
6.  Anything that has mass and takes up space.
7.  Describe a pure substance's ability to change into different substances.  This includes flammability, ability to react with oxygen to form rust, and ability to react with an acid to corrode.
8.  Cannot be broken down into any other substances by chemical or physical means.
9.  Matter is not created or destroyed in any chemical or physical change.

Page 83

1. B
2. C
3. A
4. A
5. D
6. A
7. C

8.  In a physical change, such as melting or freezing, water remains the same substance: the compound H2O.  In a chemical change, such as using electricity to split H2O in H2 and O2 gases, a reaction produces products with different properties than the compound H2O - gases that are acidic and basic.




ALSO - Check out these flash cards at Quizlet:

Click HERE to go to the flashcards.  My only correction - a compound is NOT a mixture.