NURSING EXAM QUESTIONS
MICROBIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A substance that is a 13 on the pH scale
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Base
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Acid
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Pure water
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None of the above
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Explanation:
Detailed explanation-1: -Sodium Hydroxide (NaOH) has a pH of 13.
Detailed explanation-2: -A solution of pH13 is strongly alkaline as on the pH scale below 7 all solutions are acidic while above 7 all solutions are basic in nature. This basicity increases going from 7to14. So the pH13 is highly alkaline in nature.
Detailed explanation-3: -Thus, the pH value range of a weak base is 7.1 to 10 whereas a strong base is 10.1 to 14.
Detailed explanation-4: -Solution with pH=13 is a strong base as the basicity increases from 7 to 14.
There is 1 question to complete.