PATHOLOGY MCQ
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the pH of an acid?
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0-7 on a pH scale.
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7 on a pH scale.
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7-14 on a pH scale.
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None of the above
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Explanation:
Detailed explanation-1: -As this diagram shows, pH ranges from 0 to 14, with 7 being neutral. pHs less than 7 are acidic while pHs greater than 7 are alkaline (basic).
Detailed explanation-2: -As you can see from the pH scale above, pure water has a pH value of 7. This value is considered neutral-neither acidic or basic.
Detailed explanation-3: -pH 1 represents strong acid, getting progressively weaker as the pH rises. pH 7 is the neutral value of pure water at 25ºC and 1 atmosphere pressure.
There is 1 question to complete.