AALSO WQ practice Questions and
Answers Verified 100% Correct
what should be added to a sample bottle collected from a chlorinated mammal pool
for coliform testing?
A)Sodium bicarbonate buffer
B)Sodium citrate
C)Sodium hypochlorite
D)Sodium thiosulfate
D)Sodium thiosulfate
which of the following buffer combinations is correct?
A)pH 4=yellow, pH 7= pink, pH 10=blue
B)pH 4=pink, pH 7= yellow, pH 10=blue
C)pH 4=pink, pH 7= yellow, pH 10=green
D)pH 4=purple, pH 7= pink, pH 10=green
which of the following do not contribute to conductivity/salinity?
A)Sulfides
B)Chlorides
C)Oxygen
D)Carbonates
C)Oxygen
which of the following is not a possible side effect from copper concentrations above
therapeutic levels?
A)Suppression of immune system
B)Mortality in certain species
C)Bubble trauma
D)Damage to gills
, Which of the following is not a byproduct of chlorine disinfection?
A)Chloroform
B)Sodium Hypochlorite
C)Trihalomethane compounds
D)Haloacetic acids
B)Sodium Hypochlorite
what is the best definition of alkalinity?
A)the measurement of amount of metals in water
B)the measurement of the pH buffering capacity in water
C)the measurement of the amount of cations in water
D)any liquid with a pH greater than 7
B)the measurement of the pH buffering capacity in water
where should flammable liquids be stored?
A)in a fume hood
B)in a locked cabinet
C)in an approved flammable liquid storage cabinet
D)in the bed of a pickup truck
C)in an approved flammable liquid storage cabinet
which statement is false regarding the use of laboratory chemical hoods for ventilation in
a laboratory setting?
A)it is okay to put your head into a hood while in operation to check on an
experiment B)always learn how the hood operates prior to use
C)keep reactions and hazardous chemicals at least 6 inches behind the sash, father is possible
D)keep the chemical hood clean and clear
A)it is okay to put your head into a hood while in operation to check on an experiment
Answers Verified 100% Correct
what should be added to a sample bottle collected from a chlorinated mammal pool
for coliform testing?
A)Sodium bicarbonate buffer
B)Sodium citrate
C)Sodium hypochlorite
D)Sodium thiosulfate
D)Sodium thiosulfate
which of the following buffer combinations is correct?
A)pH 4=yellow, pH 7= pink, pH 10=blue
B)pH 4=pink, pH 7= yellow, pH 10=blue
C)pH 4=pink, pH 7= yellow, pH 10=green
D)pH 4=purple, pH 7= pink, pH 10=green
which of the following do not contribute to conductivity/salinity?
A)Sulfides
B)Chlorides
C)Oxygen
D)Carbonates
C)Oxygen
which of the following is not a possible side effect from copper concentrations above
therapeutic levels?
A)Suppression of immune system
B)Mortality in certain species
C)Bubble trauma
D)Damage to gills
, Which of the following is not a byproduct of chlorine disinfection?
A)Chloroform
B)Sodium Hypochlorite
C)Trihalomethane compounds
D)Haloacetic acids
B)Sodium Hypochlorite
what is the best definition of alkalinity?
A)the measurement of amount of metals in water
B)the measurement of the pH buffering capacity in water
C)the measurement of the amount of cations in water
D)any liquid with a pH greater than 7
B)the measurement of the pH buffering capacity in water
where should flammable liquids be stored?
A)in a fume hood
B)in a locked cabinet
C)in an approved flammable liquid storage cabinet
D)in the bed of a pickup truck
C)in an approved flammable liquid storage cabinet
which statement is false regarding the use of laboratory chemical hoods for ventilation in
a laboratory setting?
A)it is okay to put your head into a hood while in operation to check on an
experiment B)always learn how the hood operates prior to use
C)keep reactions and hazardous chemicals at least 6 inches behind the sash, father is possible
D)keep the chemical hood clean and clear
A)it is okay to put your head into a hood while in operation to check on an experiment
