Question

short notes on ph paper and litmus​

Answer 1

Explanation:

Usually, litmus paper is either red or blue. Red paper turns blue when the pH is alkaline, while blue paper turns red when the pH turns acidic. While litmus paper is most often used to test the pH of liquids, it can be used to test gases if the paper is dampened with distilled water before exposure to the gas.

Answer 2

Answer:

litmus paper is a red colour paper or a blue colour paper is indicates acids and basics . litmus paper is made from lichens