What substance is commonly used to detect a gas chlorine leak?

Prepare for the Florida State Commercial Pool Exam. Dive into flashcards and multiple choice questions, complete with hints and explanations. Achieve success on your exam!

The substance commonly used to detect a gas chlorine leak is 26E BE ammonia. This method takes advantage of ammonia's reaction with chlorine gas when they are mixed. When ammonia comes in contact with chlorine, it forms a cloudy white compound known as chloramine, which acts as an indicator that a chlorine leak is present.

Using ammonia for this purpose is crucial for safety in environments where chlorine is used, such as pools or water treatment facilities, because chlorine gas is hazardous and can pose serious health risks. Detecting a leak early allows for swift action to minimize exposure and secure the area.

The other substances listed do not provide the same level of effective detection for chlorine leaks. Water may dilute chlorine but does not indicate a leak presence; alcohol is not reactive with chlorine in a way that signals a leak; and while acid can react with chlorine, it is not used as a safe or practical method for leak detection in this context. Using ammonia provides a clear, recognizable signal without introducing unnecessary hazards.

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