Which of the following correctly lists the forms of applying fluoride?

Prepare for the American Water Works Water Treatment Plant Operator Test. Study with multiple choice questions, each with hints and explanations. Get ready to excel!

Fluoride is added to water in three practical forms: dry, as a solid powder; in a liquid solution; or as a slurry, which is a suspension of solid fluoride in water. These cover the common ways treatment plants deliver fluoride and allow for careful metering and mixing.

Gaseous form isn’t used in standard municipal fluoridation, and paste, gel, or foam are dental-care products, not methods for treating drinking water. Pellets or tablets aren’t the typical delivery forms for continuous water fluoridation either.