Question

b) What happens to blue litmus on adding an neutral substance?o​

Answer 1

The main use of litmus is to test whether a solution is acidic or basic. Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper is purple.

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Answer 2

Answer:

neutral substances either acid or base it can be formed by the reaction on an acid or base it turns universal indicator solution green it's ph7 it does not have any effect on Red or blue lithium solution