LESSONS 11 – 18 REVIEW

Use notebook paper to answer the questions listed below.

1.What is a pure substance? From the chemicals you used in experiments, list those that are pure substances.

2. Define the following terms. Give an example for each term.

a. Solute c. tranparent

b. Solvent d. saturate

3. What is mass and how is it found?

4. How do you know when no more solute will dissolve?

5. How is volume found?

6. When do you need to know the volume in an experiment?

7. When do you need to know the mass in an experiment?

8. What is chromatography?

9.What happens to the inks during a chromatography experiment?

10. What is the definition of insoluble?

11. What happens when salt is added to ice water in a beaker? If you don’t know the answer, then try this experiment at your home.

12. What is the boiling point of salt water in Celcius?

13. What happens to boiling saltwater in a beaker? If you do not remember, try this experiment at your home.

14. What characteristic properties will help you to determine the name of an unknown powder substance?

15. What materials can you use to determine the different characteristic properties of an unknown powder substance?

16. List the characteristic properties you observed from your labs 11, 12 and 13.