Answer:
Sample A: slightly acid, Sample B: moderately acid
Step-by-step explanation:
The defnition of pH is a messeaure of the acidity or the alkalinity that indicates the quantity of hydrogen present in a solution or substance.
The medition of pH its defined by the comparation of the substance and the destilled water, where destilled water its considered as a neutro substance that have a pH of 7.
All the substances that has pH of 0 to 7 its called acid substances. For example the lemon juice has a pH of 2 to 3. Where according to the pH whe can subdivide in slightly acid(5-6), moderately acid(3-4) and very acid (0-2).
And all the substances that has more than 7 they are called alkaline substances. For example the cleaning products that include amoniac those substances has a pH of 11 or 12.