AALSO WQ practice Questions and Answers
Verified 100% Correct
how much sodium thiosulfate do you add to a bleached quarantine tank that is 375 gallons if
the dose rate is 1g/50 gal?
A)3.75 grams
B)75 grams
C)7.5 grams
D)18.75 grams
which of the following is wrong?
A)Calcium carbonate= Limestone
B) Calcium chloride= Lysine
C)Sodium Hydroxide= Lye
D)Calcium Hydroxide= Lime
which of the following is not considered Laboratory Personal Protective Equipment (PPE)?
A)Face Shield
B)Safety Glasses
C)Leather Gloves
D)Lab Coat
C)Leather Gloves
Which is the preferred glassware to use when performing a dilution?
A)Erlenmeyer flask
B)Beaker
C)Graduated Cylinder
D)Volumetric Flask
D)Volumetric Flask
, which of the following chemicals is not a regulated carcinogen?
A)Formalin/Formaldehyde
B)Ethanol
C)Asbestos
D)Cadmium
B)Ethanol
which of the following is a concern after a chemical spill?
A)Environmental release
B)Adequate engineering controls or PPE to protect staff during cleanup
C)Slip or Trip Hazard
D)All of the above
D)All of the above
what wavelength is considered part of the visible spectrum?
A)10 nm
B)5000 nm
C)200 nm
D)500 nm
D)500 nm
what is the purpose of the blank used in a colorimeter?
A)the blank zeros the wavelength set on the colorimeter
B)the blank takes into account light being absorbed by the solvent and by the walls of the
sample cell or cuvette
C)the blank has 0% transmittance and is used to account for background scattering of light
D)the blank ensures that your glassware is not contaminated with the target analyte
what type of bacteria does USDA require to be monitored in enclosures with marine
mammals?
A) Enterrics
Verified 100% Correct
how much sodium thiosulfate do you add to a bleached quarantine tank that is 375 gallons if
the dose rate is 1g/50 gal?
A)3.75 grams
B)75 grams
C)7.5 grams
D)18.75 grams
which of the following is wrong?
A)Calcium carbonate= Limestone
B) Calcium chloride= Lysine
C)Sodium Hydroxide= Lye
D)Calcium Hydroxide= Lime
which of the following is not considered Laboratory Personal Protective Equipment (PPE)?
A)Face Shield
B)Safety Glasses
C)Leather Gloves
D)Lab Coat
C)Leather Gloves
Which is the preferred glassware to use when performing a dilution?
A)Erlenmeyer flask
B)Beaker
C)Graduated Cylinder
D)Volumetric Flask
D)Volumetric Flask
, which of the following chemicals is not a regulated carcinogen?
A)Formalin/Formaldehyde
B)Ethanol
C)Asbestos
D)Cadmium
B)Ethanol
which of the following is a concern after a chemical spill?
A)Environmental release
B)Adequate engineering controls or PPE to protect staff during cleanup
C)Slip or Trip Hazard
D)All of the above
D)All of the above
what wavelength is considered part of the visible spectrum?
A)10 nm
B)5000 nm
C)200 nm
D)500 nm
D)500 nm
what is the purpose of the blank used in a colorimeter?
A)the blank zeros the wavelength set on the colorimeter
B)the blank takes into account light being absorbed by the solvent and by the walls of the
sample cell or cuvette
C)the blank has 0% transmittance and is used to account for background scattering of light
D)the blank ensures that your glassware is not contaminated with the target analyte
what type of bacteria does USDA require to be monitored in enclosures with marine
mammals?
A) Enterrics
