1. An analytical balance is sensitive to the nearest _.
a. Milligram
b. 1/1,000 mg
c. 1/100 mg
d. 1/10 mg
2. An Imhoff cone is used to determine _.
a. pH
b. chlorine residual
c. settleable solids
d. SS
3. A burette is used to _ a sample.
a. Heat
b. Titrate
c. Filter
d. Weigh
4. To pipette wastewater or strong chemicals, you should use a _.
a. Beaker
b. Flask
c. Stopper
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
Answers:
1. D
2. C
3. B
4. D
5. B