1. what type of covalent bonded liquid will a polar covalent solid dissolve in? (hint like dissolves like)

2. what type of covalent bonded liquid will a non polar covalent solid dissolve in? (hint like dissolves like)

3. In what type of solvent will a polar solute dissolve? In what type of solvent will a non-polar solute dissolve?

4. A Crayon is a (polar / non-polar) substance because…

5. Washable marker “ink” is a (polar / non-polar) substance because…

6. Permanent marker “ink” is…because…

7. Suggest 2 other common substances to test with water and paint thinner to determine their polarity. Based on your knowledge of these substances, predict their polarity.

8. Explain, in terms of the properties of water:
a. Why water moved up the filter paper,
b. Why washable marker “ink” moved up the filter paper with the water, and
c. Why some ink colors moved different distances than others.

9. Based on your results from Part I, how could the chromatography experiment be adapted for use with a permanent marker?

2 answers

4. whatis wax?
5. does the ink spread quickly in water?
6. does the ink spread quickly in water?
7. Rubbing alcohol, soap

9. What about using a ketone as a solven? or dry cleaning solvent?
Polar