Cleaning chemicals are usually either a caustic material or an acid material. Which of the following statements is TRUE?
A) An acid is higher than 7 and a caustic is lower than 7 on pH scale
B) Both caustics and acids have a pH of 7 if rated according to distilled water
C) An acid is lower than 7 and a caustic is higher than 7 on pH scale
D) Pure water is a 1 and a strong acid is a 14 on the pH scale
Correct Answer:
Verified
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