Question

Which is the most common indicator
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Answer 1

Explanation:

litmus paper

• The litmus paper is the most commonly used indicator in laboratory. Litmus paper is made by the chemical substance called litmus that is extracted from lichens. The solution of litmus contains some dyes which are absorbed on the filter paper and by this way litmus papers are made.

Answer 2

Answer:

The most commonly used natural indicator in lab is Litmus.