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Multiple choice

Which of the following pairs represents gases that cannot be collected over water?

  1. H2 and N2

  2. O2 and CH4

  3. O2 and NH3

  4. NH3 and HCl

  5. CH4 and HCl

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Because of their high solubility in water, both NH3 and HCl cannot be collected over water.

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