Question

a student prepared solutions of i.) an acid and ii.) a base in two separate beakers but forgot to label the solutions and litmus paper is not available in the laboratory. since both the solutions are colourless, how will he distinguish between the two using a) phenolphthalein and b) methyl orange ​

Answer 1

Answer:

both can be used but methyl orange is better

Explanation:

acid it turns red and base it turns yellow

Answer 2

Answer:

in Acid

a) phenolphthalein - doesn't change colour

b) mathyl orange - red

in Base

a) phenolphthalein - pink

b) mathyl orange - yellow

hope it helps you