Question

Nitric acid turns into a ___ colour solution when exposed to light.

• A. yellow
• B. pale green
• C. brown
• D. white

Answer 1

The correct option is A yellow

Nitric acid in its truest form is yellow in color if it is left exposed to light and heat, it will spontaneously decompose into nitrogen dioxide which is reddish brown in color.

So the color of nitric acid appears to be brownish-yellow but its actual color is yellow