What colour will universal indicator show if you add it to the following substances?
(a) potassium hydroxide, pH = 12

(b) sodawater, pH = 5

(c) sulphuric acid, pH = 2
(a) Dark purple; strong alkali. (b) Orange yellow; weak acid. (c) Red; strong acid.

Question

What colour will universal indicator show if you add it to the following substances? (a) potassium hydroxide, pH = 12 (b) sodawater, pH = 5 (c) sulphuric acid, pH = 2

Philoid · Accepted Answer

(a) Dark purple; strong alkali. (b) Orange yellow; weak acid. (c) Red; strong acid.

What colour will universal indicator show if you add it to the following substances?(a) potassium hydroxide, pH = 12(b) sodawater, pH = 5(c) sulphuric acid, pH = 2

What colour will universal indicator show if you add it to the following substances?
(a) potassium hydroxide, pH = 12

(b) sodawater, pH = 5

(c) sulphuric acid, pH = 2