Major anion found in many natural waters - Can impart salty taste in H2O
What is chloride? 1 multiple choice option
What increases the concentration of chloride Chloride in human diet and softeners flushed into sanitary sewer system
in wastewater? 2 multiple choice options
2 most prevalent methods of measuring argentometric and mercuric nitrate 2 multiple choice options
chloride?
Titration of the sample with a standard solution of silver nitrate (AgNO3) - Indicator:
Chromate ions (CrO4) - End point: reddish silver chromate
What is the Argentometric method?
3 multiple choice options
Titration with standard mercuric nitrate solution -pH must be adjusted between 2.3 and
2.8 - Indicator: Diphenyl carbazone - End point: Change from blue to purple in the
What is the Mercuric Nitrate method? presence of mercury
3 multiple choice options
Sulfide, bromide, orthophosphate (over 30 ppm), and iodide 3 multiple choice options
Which of the following can be an
Interference of the Mercuric Nitrate Method?
d 3 multiple choice options
Why does the color change in water?
a. Presence of decaying vegetable matter
b. metal ions (ie. iron)
c. industrial and domestic pollution
d. All of the above
How is color measured Measured using visual comparison method 1 multiple choice option
Sample compared to standards using matching nessler tubes - Standards prepared
with solution containing chloroplatinate and cobaltous chlorid
What is the visual comparison method
2 multiple choice options
What is the standard unit for color? One unit= color resulting from 1 mg of platinum/L 2 multiple choice options
What is 2-color reporting? True and Apparent 1 multiple choice option
Color from suspended solids, determine using sample treated to remove turbidity
Define True color 3 multiple choice options
What is Apparent Color? Color from both dissolved and suspended solids 3 multiple choice options
What is Conductivity? H2O capability to pass electrical flow 2 multiple choice options
What is the conductivity of pure water? 0 3 multiple choice options
What are the Units of conductivity? µS/cm (micromhos/cm) 2 multiple choice options
What Temperature should conductivity be 25 degrees Celcius 2 multiple choice options
read at?
How is conductivity affected? Mobility of ions, conductivity is dependent on viscosity 2 multiple choice options
What is Viscosity? the resistance of a liquid to flow 1 multiple choice option
Describe the relationship of temperature and Inverse 3 multiple choice options
viscosity?
A compound that liberates hydrogen ions and has a pH below 7. 2 multiple choice options
What is an Acid?
What is Alkalinity? The measurement of a sample's capacity to neutralize acid. 2 multiple choice options
The carbonate, bicarbonate, and hydroxide ion concentration found in water
What does Alkalinity measure? 3 multiple choice options
What is chloride? 1 multiple choice option
What increases the concentration of chloride Chloride in human diet and softeners flushed into sanitary sewer system
in wastewater? 2 multiple choice options
2 most prevalent methods of measuring argentometric and mercuric nitrate 2 multiple choice options
chloride?
Titration of the sample with a standard solution of silver nitrate (AgNO3) - Indicator:
Chromate ions (CrO4) - End point: reddish silver chromate
What is the Argentometric method?
3 multiple choice options
Titration with standard mercuric nitrate solution -pH must be adjusted between 2.3 and
2.8 - Indicator: Diphenyl carbazone - End point: Change from blue to purple in the
What is the Mercuric Nitrate method? presence of mercury
3 multiple choice options
Sulfide, bromide, orthophosphate (over 30 ppm), and iodide 3 multiple choice options
Which of the following can be an
Interference of the Mercuric Nitrate Method?
d 3 multiple choice options
Why does the color change in water?
a. Presence of decaying vegetable matter
b. metal ions (ie. iron)
c. industrial and domestic pollution
d. All of the above
How is color measured Measured using visual comparison method 1 multiple choice option
Sample compared to standards using matching nessler tubes - Standards prepared
with solution containing chloroplatinate and cobaltous chlorid
What is the visual comparison method
2 multiple choice options
What is the standard unit for color? One unit= color resulting from 1 mg of platinum/L 2 multiple choice options
What is 2-color reporting? True and Apparent 1 multiple choice option
Color from suspended solids, determine using sample treated to remove turbidity
Define True color 3 multiple choice options
What is Apparent Color? Color from both dissolved and suspended solids 3 multiple choice options
What is Conductivity? H2O capability to pass electrical flow 2 multiple choice options
What is the conductivity of pure water? 0 3 multiple choice options
What are the Units of conductivity? µS/cm (micromhos/cm) 2 multiple choice options
What Temperature should conductivity be 25 degrees Celcius 2 multiple choice options
read at?
How is conductivity affected? Mobility of ions, conductivity is dependent on viscosity 2 multiple choice options
What is Viscosity? the resistance of a liquid to flow 1 multiple choice option
Describe the relationship of temperature and Inverse 3 multiple choice options
viscosity?
A compound that liberates hydrogen ions and has a pH below 7. 2 multiple choice options
What is an Acid?
What is Alkalinity? The measurement of a sample's capacity to neutralize acid. 2 multiple choice options
The carbonate, bicarbonate, and hydroxide ion concentration found in water
What does Alkalinity measure? 3 multiple choice options
