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MMLU / The pH of two lakes is measured. Lake A has a pH of 8.0; Lake B has a pH of 6.0.…

Problem

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question

The pH of two lakes is measured. Lake A has a pH of 8.0; Lake B has a pH of 6.0. Which of the following statements is correct about these lakes?

choices

  1. Lake B is alkaline.
  2. Lake B is 100 times more alkaline than Lake A.
  3. The hydrogen ion concentration of Lake B is 104 M.
  4. The pH of both lakes will decrease in response to acid rain.

subject

high_school_biology

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