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6. In paper chromatography, what is a chromatogram?
- The pattern of spots produced
- The equipment used
- The graph made
7. The nucleus is what fraction of an atom?
- 1/10,000
- 1/2,000
- 1/20,000
8. The atomic mass number divided by the formula mass of the whole compound, multiplied by 100% gives...
- Percentage composition
- Percentage yield
- Theoretical yield
9. In thin layer chromatography, you use plates coated with...
- An absorbent such as silica
- A solvent such as glue
- An absorbent such as thin paper
10. Does ammonium chloride decompose into two gases or two liquids when warmed?
11. In gas chromatography, the time for the substance to pass through (read off the chromatogram) is the...
- Retention time
- Retention factor
12. Copper sulfate is what coloyr when heated and therefore dehydrated?
13. Protons and neutrons have equal mass.
14. By dividing the distance moved by the substance by the distance moved by the solvent, you get the...
- Retention factor
- Retention time
15. In the empirical formula, you divide the given mass by the atomic mass, and then divide what by the smallest answer?
- Smallest answer
- Atomic mass
- Given mass