Question

What happens when dilute solution of calcium hydroxide is added to a test - tube containing methyl orange ?​

Answer 1

Answer:

Methyl orange is a pH indicator frequently used in titration because of its clear and distinct color variance at different pH values. Methyl orange shows red color in acidic medium and yellow color in basic medium. Because it changes color at the pH of a mid strength acid, it is usually used in titration for acids. Unlike a universal indicator, methyl orange does not have a full spectrum of color change, but it has a sharp end point. In a solution becoming less acidic, methyl orange changes from red to orange and, finally, to yellow—with the reverse process occurring in a solution of increasing acidity.

Answer 2

Answer:

Explanation:

Ca(OH)2  -- calcium hydroxide

since it is a base thus the colour of methyl orange becomes yellow