What is the pH of distilled water?

Prepare for the CIDESCO Certification Exam with our quiz. Use flashcards and multiple-choice questions, each with hints and explanations. Get ready for your exam!

Distilled water is considered to have a neutral pH level, which is commonly understood to be around 7 at 25 degrees Celsius (77 degrees Fahrenheit). This neutrality means that distilled water is neither acidic nor alkaline. The pH scale ranges from 0 to 14, where values below 7 indicate acidity and those above 7 indicate alkalinity.

While pure distilled water can theoretically have a pH very close to 7, it is important to note that factors such as exposure to air can slightly alter its pH due to dissolved carbon dioxide, which can form carbonic acid. However, under controlled conditions in a laboratory setting, the pH value of distilled water is typically recognized as 7.

The other options suggest pH levels that indicate either acidic or alkaline characteristics, which do not accurately represent the nature of distilled water.

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