Question

a few drops of is distilled water, nitric acid, solution of baking soda and sodium hydroxide solution were put on pH paper writethe colour show by each of these on ph paper

Answer 1

Distilled water will show green colour as neutral
Nitric acid red colour
Baking soda light Green colour
Sodium hydroxide can act as both acids nd base in reaction but colour is blue

Answer 2

distilled water-green
nitric acid - orange
baking soda-greenish blue
sodium hydroxide-dark blur