On the pH scale, values less than 7 indicate what?

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Prepare for the CWEA Electrical/Instrumentation (E/I) Grade 1 Test. Use flashcards and multiple-choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

On the pH scale, values less than 7 indicate what?

Explanation:
Lower values on the pH scale indicate acidity because pH measures hydrogen ion concentration in a solution. The more acidic the solution, the higher its H+ concentration, which pushes the pH number below 7. Neutral was set at 7, where H+ and OH- are balanced, and anything above 7 is basic (alkaline). So, values less than 7 specifically identify acidic solutions.

Lower values on the pH scale indicate acidity because pH measures hydrogen ion concentration in a solution. The more acidic the solution, the higher its H+ concentration, which pushes the pH number below 7. Neutral was set at 7, where H+ and OH- are balanced, and anything above 7 is basic (alkaline). So, values less than 7 specifically identify acidic solutions.

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