How do we test sour and bitter substances without tasting them ?
Kindly refer to the following link:
http://m.meritnation.com/ask-answer/question/explain-with-the-help-of-an-activity-that-how-sour-and-bitte/acids-bases-and-salts/5904368
http://m.meritnation.com/ask-answer/question/explain-with-the-help-of-an-activity-that-how-sour-and-bitte/acids-bases-and-salts/5904368