Question

describe the preparation of litmus Solution
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Answer 1

Explanation:

Litmus solutions can be prepared by dissolving these lichen-based dyes in neutral-pH water and observing the change in color when chemicals of unknown pH are added. Litmus paper is pH neutral paper soaked in litmus solution and dried. ... The word 'litmus' comes from old Norse with a meaning of 'to dye' or 'to stain