Question

You are given a) methyl orange b) phenolphthalein, c) red and blue litmus paper. Mention the color change when reacted with an acid and a base.

Answer 1

Answer:

green towards purple

Explanation:

Acids cause universal indicator solution to change from green toward red. Bases cause universal indicator to change from green toward purple. Water molecules (H2O) can interact with one another to form H3O+ ions and OH− ions. ... Acidic solutions have a pH below 7 on the pH scale.

litumus paper is ans