Which water quality parameter is used to measure acidity or basicity of water?

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Multiple Choice

Which water quality parameter is used to measure acidity or basicity of water?

Explanation:
pH measures how acidic or basic water is. It expresses hydrogen ion activity on a scale from 0 to 14, with 7 as neutral; values below 7 indicate acidity and values above 7 indicate basicity. Knowing the pH helps predict how water will interact with pipes and materials, and how effectively disinfectants work. Other options don’t assess acidity or basicity: residual disinfectant tells how much sanitizer remains, turbidity gauges cloudiness from suspended particles, and taste/odor indicators assess sensory qualities rather than chemical balance.

pH measures how acidic or basic water is. It expresses hydrogen ion activity on a scale from 0 to 14, with 7 as neutral; values below 7 indicate acidity and values above 7 indicate basicity. Knowing the pH helps predict how water will interact with pipes and materials, and how effectively disinfectants work. Other options don’t assess acidity or basicity: residual disinfectant tells how much sanitizer remains, turbidity gauges cloudiness from suspended particles, and taste/odor indicators assess sensory qualities rather than chemical balance.

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