Question

You are given three substance A, B, C in three testubes containing acid, base and neutral salt. How can you distinguish them by litmus paper.​

Answer 1

Answer:

first, convert into aqueous solution,

then dip the litmus paper

if it turns red it is acid

if blue base

if nothing neutral

Explanation:

Answer 2

Answer:

each test tube will have acid base and nutral salt

Explanation:

take the substance in test tube A then apply the substance in test tube a on litmus paper it it turns blue then it is base then take test tube B and apply it on the litmus paper it it turns red it is acidic then take test tube C and apply that also to the litmus paper it it does not change then it is neutral salt