Question

if pH is less than ............ water is acidic ?
1. 6.5
2. 10.5
3. 4.5
4. 12.5​

Answer 1

Answer:

Option A is the correct answer which is 6.5.

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Answer 2

Answer:

The correct answer is $6.5$ .

Explanation:

• The pH is a scale to measure the acidic or basic nature . It refers to  the concentration of Hydrogen ions in the solution.
• The pH scale has a measure value from $0$ to $14$
• From $0$ to $6$ , it is acidic.
• from $8$ to $14$ , it is basic.
• $7$ is neutral.
• If the pH is less than $6.5$ ( approx.$7$ ) then it will be acidic and $10.5$ and $12.5$ comes in the category of basicity .
  
  Therefore , if pH is less than $6.5$ it is acidic .
  
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