1.

Substances and effect on red and blue litmus paper. Give the answers clearly

Answer»

Red LITMUS paper can INDICATE alkalinity with a CHANGE to BLUE. In GENERAL, litmus paper is red below a pH of 4.5 and blue above a pH of 8.3. If the paper turns purple, this indicates the pH is near neutral. Red paper that does not change color indicates the sample is an acid.hope you understand...!!



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