I was mixing chemicals in a chem. lab. I remember putting in a reagent and getting a gray precipitate instead of a white one. This upset me, because I couldn't explain why I had gotten the wrong color. Interpretation I have been conscious of chem., because we are going to have a lab. quiz on analysis and procedure! Answers to questions 2. Sad, frustrated3. Actual participant4. Unpleasant5. Chem. lab6. No7. No