Question

red litmus blue in which material​

Answer 1

Answer:

red litmus becomes blue in basic substance

Answer 2

Answer:

Explanation:

The simplest way to establish the pH of a substance – to figure out whether it is acidic or alkaline – is to use red and blue litmus papers. Red litmus paper reacts to alkaline substances by turning blue, while blue litmus paper reacts to acidic substances by turning red.The simplest way to establish the pH of a substance – to figure out whether it is acidic or alkaline – is to use red and blue litmus papers. Red litmus paper reacts to alkaline substances by turning blue, while blue litmus paper reacts to acidic substances by turning red.While red and blue litmus papers can reveal whether a substance is acidic or alkaline, they cannot tell you the exact pH value of that substance. However, litmus papers are easy to handle and use. They give instantaneous readings and provide accurate results most of the time.