CPO TEST 50 QUESTIONS 2025 Update |Actual Exam Set Questions And Verified Answers (Correct solutions) | Get It 100% Accurate!!

CPO TEST 50 QUESTIONS 2025
Update |Actual Exam Set Questions
And Verified Answers (Correct
solutions) | Get It 100% Accurate!!

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,Terms in this set (117)


muriatic acid
to lower pH add:
carbon dioxide

sodium carbonate
to increase pH
sodium hydroxide
add:
sodium sesquicarbonate

the acceptable b) 7.2-7.8
pH range is:
a) 6.8-7.0
b) 7.2-7.8
c) 7.0-7.4
d) none of the
above

the ideal pH a) 7.4-7.6
range is:
a) 7.4-7.6
b) 7.8-8.0
c) 6.8-7.4

free chlorine is c) active disinfectant
a(n):
a) oxidizer
b) stabilizer
c) active
disinfectant

, it is common b) 2.0-4.0 ppm
practice to
maintain free
chlorine at:
a) 1.0-2.0 ppm
b) 2.0-4.0 ppm
c) 5.0-7.0 ppm

what is the c) 5.0 ppm
maximum free
chlorine that
should be used?
a) 6.0 ppm
b) 1.0 ppm
c) 5.0 ppm

combined c) disinfectant
chlorine is NOT
an effective:
a) oxidizer
b) stabilizer
c) disinfectant

hypochlorous d) both A and C
acid is a(n):
a) oxidizer
b) stabilizer
c) disinfectant
d) both A and C