Final answer:
A solution with a pH less than 7 is acidic, a pH greater than 7 is basic, and a pH of 7 is neutral.
Step-by-step explanation:
A neutral (neither acidic nor basic) solution has a pH of 7. A pH below 7 means that a solution is acidic, with lower values of pH corresponding to increasingly acidic solutions.
A pH greater than 7 indicates a basic solution, with higher values of pH corresponding to increasingly basic solutions.
Using this information, we can determine the pH values for each of the given solutions:
1. Human blood, pH = 7.4 -- This is slightly basic.
2. Household ammonia, pH = 11.0 -- This is a basic solution.
3. Cherries, pH = 3.6 -- This is an acidic solution.