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Environmental Chemistry Online Test

20 questions in 30 minutes, drawn at random from 104 questions across 9 topics. Every question carries a written explanation.

Environmental Chemistry practice tests are assembled fresh each time you start, so you can sit one repeatedly without meeting the same paper twice. The pool behind this test holds 104 questions across 9 topics and 1 subject.

  • 20 questions, selected at random each time you start.
  • 30 minutes, at 90 seconds a question.
  • One mark per question. No negative marking.
  • Every answer comes with a written explanation, not just a letter.

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What the pool is made of

  • Environmental Chemistry 104 questions · 9 topics · 100%

Difficulty of the question pool

  • Very Easy 7 questions · 7%
  • Easy 44 questions · 42%
  • Medium 43 questions · 41%
  • Hard 10 questions · 10%

Where the pool is deepest

  • Atmospheric Chemistry 25
  • Chemistry of Natural Waters 16
  • Soil Chemistry and Contamination 16
  • Acid Base and Redox Equilibria 15
  • Analytical Methods in Environmental Chemistry 13

Two things worth knowing

  • Answers carrying a written explanation100%