OBJECTIVE LIFE SCIENCE
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A(n) ____ is a substance with a pH greater than 7.
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Base
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Acid
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Buffer
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Water
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Explanation:
Detailed explanation-1: -pHs less than 7 are acidic while pHs greater than 7 are alkaline (basic).
Detailed explanation-2: -Answer and Explanation: If a substance has a pH that is greater than 7, it is alkaline.
Detailed explanation-3: -If the pH of a solution is less than 7, the solution is called acidic; In an acidic solution, then, the concentration of hydrogen ions is greater than the concentration of hydroxide ions. if the pH is about 7, the solution is neutral; if the pH is greater than 7, the solution is called basic.
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