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Select the best answer for each question.

1. Which choice is correct about the pH scale?
a) The pH scale measures the concentration of Hydrogen ions in a solution
b) The pH scale goes from -14 to 14
c) Lower numbers on the pH scale are more basic and higher numbers are more acidic
d) pH of 10 is a neutral solution

2. Knowing that distilled water is a pure form of water, which doesn't contain any substances that would either raise or lower its pH from a neutral level, what is the pH of distilled water?
a) 0.0
b) 3.0
c) 7.0
d) 14.0