Liquid drain cleaner, pH 13.5 - Base
Milk, pH 6.6 - slight acidic
- The hydrogen ion concentration in water is expressed by pH. Specific to aqueous solutions, pH is the negative logarithm of the hydrogen ion (H+) concentration (mol/L): pH equals -log(H+)10.
- The phrase refers to a solution's basicity or acidity on a range of 0 to 14, with pH 7 representing neutrality.
- Anything that is acidic is below 7.0, while everything that is alkaline or basic is above 7.0.
- A pH scale that lists the pH values of common substances and ranges from 0 (extremely basic/alkaline) to 14 (very basic/alkaline).
- Liquid drain cleaner has a pH higher than 7 hence it is a base.
- Milk has a pH of 6.6 hence it is slightly acidic due to the presence of lactose or lactic acid.
learn more about acid and base here: https://brainly.com/question/9836972
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