Question

Find out the different types of papers that can be used to find out acid and alkali.

Analyse and categorise them.
Paper that can be used to identify acid. Paper that can be used to identify alkalis.​

Answer 1

Explanation:

There are two types of litmus paper: red litmus paper and blue litmus paper. Blue litmus paper turns red if the substance is acidic. Red litmus paper turns blue if the substance is basic or alkaline. Litmus turns red in acidic solutions and blue in basic solutions.