3 years ago

Which substance acts as a buffer in natural water?

Biology

2 answers:

baherus [9]3 years ago

7 0

B. minerals and salt

3241004551 [841]3 years ago

5 0

Answer: Option (B) is the correct answer.

Explanation:

When an acid or alkali is added to a solution and the solution does not or slightly changes the pH then it is known as a buffer solution.

Natural water has pH 7 which shows that natural water is neutral. Natural water also contains various minerals and salts which does not affect its pH.

Therefore, minerals and salts acts as a buffer in natural water.

Whereas when all the minerals and salts are removed from natural water then it results in the formation of distilled water. That is pH of natural water changes.

A pH indicator has no role in natural water as a pH indicator helps to know the pH of a solution. And sulfuric acid being an acid changes the pH of natural water.

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