Water Distribution Grade 1 Certification Practice Exam

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Study for the Water Distribution Grade 1 Certification Exam. Engage with flashcards and carefully curated multiple choice questions, each supported by hints and explanations. Prepare for your certification test!

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What is the range of the pH scale?

1-10
0-14
0-7
7-14

The correct answer is: 0-14

The pH scale measures the acidity or alkalinity of a solution and has a range from 0 to 14. This numerical scale is logarithmic, with lower values indicating more acidic solutions (0 to 6) and higher values indicating more alkaline (or basic) solutions (8 to 14). A pH of 7 is considered neutral, which is the pH of pure water at 25 degrees Celsius. Understanding the full range of the scale is crucial for monitoring water quality, as specific ranges can affect living organisms and chemical processes. The other options suggest incomplete or inaccurate ranges, which do not encompass the full scope of the pH scale.