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Sagot :
To determine which pH level is neutral for human skin, we need to understand the pH scale. The pH scale is a measure of acidity or alkalinity, ranging from 0 to 14:
- A pH of 7 is considered neutral.
- A pH lower than 7 is acidic.
- A pH higher than 7 is alkaline.
For a solution to be neutral to human skin, it must have a pH level of 7. This means the solution is neither acidic nor alkaline and is balanced in terms of pH.
Among the given options:
- A pH of 7 is neutral.
- A pH of 5 is acidic.
- A pH of 14 is highly alkaline.
- A pH of 0 is highly acidic.
Therefore, if your client requests a solution that is neutral to his skin, you should be using a pH of 7.
- A pH of 7 is considered neutral.
- A pH lower than 7 is acidic.
- A pH higher than 7 is alkaline.
For a solution to be neutral to human skin, it must have a pH level of 7. This means the solution is neither acidic nor alkaline and is balanced in terms of pH.
Among the given options:
- A pH of 7 is neutral.
- A pH of 5 is acidic.
- A pH of 14 is highly alkaline.
- A pH of 0 is highly acidic.
Therefore, if your client requests a solution that is neutral to his skin, you should be using a pH of 7.
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