1. An analytical balance is sensitive to the nearest _.
b. 1/1,000 mg
c. 1/100 mg
d. 1/10 mg
2. An Imhoff cone is used to determine _.
b. chlorine residual
c. settleable solids
3. A burette is used to _ a sample.
4. To pipette wastewater or strong chemicals, you should use a _.
d. Rubber bulb
5. Which of these equations is correct?
a. Dissolved solids + total solids = SS
b. SS + Dissolved solids = total solids
c. SS + total solids = dissolved solids
d. None of the above