Question

how is bitter and sour taste substances tested without testing

Answer 1

With the help of litmus paper

Answer 2

HELLO FRIEND!!!

Bitter and sour substances are test without tasting it with the help of indicators like litmus paper,methyl orange,etc. Indicators help us to find out whether the substance is acid or base. If it is an acid then it will be sour in taste and if it is a base then it will be bitter in taste.

HOPE IT HELPS

REGARDS
★KHUSHI★