Testing Solution for pH

---

Testing solution for pH. Universal indicator changes its color depending on the pH of the solution. Shown here is a universal indicator paper strip testing Windex for pH. The strip color (blue) indicates that Windex is a base.

---

Size: 3232px × 4994px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: acid, acidity, base, basicity, beaker, blue, chemical, chemistry, color, compound, filter, glassware, gloved, halochromic, hand, indicator, life, litmus, matching, measure, measurement, neutral, neutrality, paper, ph, red, science, solution, strip, test, testing, universal, water-soluble