ADEQ Wastewater Treatment 1 Practice Test

Which of the following characteristics describe chlorine gas?

All of the above Yellow-green Heavier than air Toxic

Correct Answer:

All of the above

Explanation:

Recognizing common properties of chlorine gas helps you understand how it behaves: its color, its density relative to air, and its toxicity. Chlorine gas appears as a yellow-green color, which is a distinctive visible trait. It is heavier than air, so it tends to collect in low areas and can linger after release. It is also highly toxic, irritating the eyes and respiratory system and posing serious health risks with exposure. Because all of these characteristics describe chlorine gas, the description that includes every listed trait best fits.

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