HTH is which compound?

Prepare for the New Mexico Water Operator Level 4 Exam. Improve your knowledge with flashcards and multiple-choice questions with detailed explanations and hints. Master the exam!

Multiple Choice

HTH is which compound?

Explanation:
HTH is calcium hypochlorite, a dry solid used as a chlorine disinfectant in water treatment. It’s the calcium salt form of hypochlorous acid, with the active disinfectant released when it’s dissolved in water. This form typically contains a high percentage of available chlorine (about 65–70%), making it a strong, fast-acting disinfectant. The other options are not HTH: sodium hypochlorite is a liquid bleach; chlorine gas is the elemental chlorine gas; hypochlorous acid is the disinfectant form HOCl that forms in water, not the solid compound itself.

HTH is calcium hypochlorite, a dry solid used as a chlorine disinfectant in water treatment. It’s the calcium salt form of hypochlorous acid, with the active disinfectant released when it’s dissolved in water. This form typically contains a high percentage of available chlorine (about 65–70%), making it a strong, fast-acting disinfectant. The other options are not HTH: sodium hypochlorite is a liquid bleach; chlorine gas is the elemental chlorine gas; hypochlorous acid is the disinfectant form HOCl that forms in water, not the solid compound itself.

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