Final answer:
Distilled water represents a balanced state in terms of acidic or basic nature in the pH scale.
Step-by-step explanation:
The substance that represents a balanced state in terms of its acidic or basic nature in the pH scale is distilled water. Distilled water has a pH of 7, which is considered neutral. It is neither acidic nor basic. Vinegar, orange juice, and milk all have different pH levels that classify them as acidic or slightly acidic.