You are on a field trip to a nearby lake for biology class and want to perform a quick analysis of the water’s approximate pH level. Which pH measurement system would you use and why?

The easiest way to approximate ph level is through the ph paper measurement system because using pH paper would be best for doing a quick measurement in the field. It does not essentially need to be calibrated or standardized and the papers make available an instant estimate.

The correct answer is b

Which of the following did you identify correctly