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Question

What is the nature of saliva produced in the mouth by salivary glands?


A

Weakly acidic

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B

Strongly acidic

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C

Alkaline

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D

Neutral

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Solution

The correct option is D

Neutral


(D) Neutral

pH:

pH is a measure of acidity or basicity of a solution.

  1. pH of neutral solutions is equal to 7.
  2. pH of the acidic solutions is less than 7.
  3. pH of the basic solutions is more than 7.

Saliva has a pH normal range of 6.2 - 7.6 with 6.7 being the average pH and it can be considered as neutral.

Therefore, the saliva in our mouth is of neutral nature.

Hence, the correct option is (D).


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