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ASVAB · Chemistry

On the pH scale, a substance with a pH of 7 is considered:

Correct answer

Neutral

  1. A Acidic
  2. B Neutral
  3. C Basic (alkaline)
  4. D Radioactive

Why this is the answer

A pH of 7 is NEUTRAL (neither acidic nor basic) — pure water is neutral. ASVAB General Science includes the pH scale. The scale runs 0-14: BELOW 7 = ACIDIC (lower = more acidic, e.g., lemon juice, stomach acid); ABOVE 7 = BASIC/ALKALINE (higher = more basic, e.g., bleach, soap); EXACTLY 7 = NEUTRAL. Knowing that 7 is neutral, below 7 is acidic, and above 7 is basic is a commonly tested chemistry concept.
Source: ASVAB General Science — Chemistry, pH Scale

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