Allowing water to cascade or bubble in a fountain during the purification process is an example of
A)a gas dissolving in a liquid.
B)a chemical reaction.
C)ion exchange.
D)a solid dissolving in a liquid.
E)only a and b

Question

Quizplus · Accepted Answer

Allowing water to cascade or bubble in a fountain introduces air (a gas) into the water, which is an example of a gas dissolving in a liquid.

Allowing Water to Cascade or Bubble in a Fountain During