EVERYDAY SCIENCE

Detailed explanation-1: -They both taste sour on your tongue. This is because they are acids and acids taste sour. Bases are the opposite of acids; they normally taste bitter and feel soapy.

Detailed explanation-2: -In addition to sourness, acids have nonsour characteristics such as bitterness and astringency, though these are less perceptible. At pH values between 3.5 and 4.5, lactic acid is the most astringent.

Detailed explanation-3: -Bases are bitter in taste. Bases change the color of the red litmus to blue.

Detailed explanation-4: –Bases have bitter taste.-Bases turn red litmus paper blue. It does not show any change with blue litmus paper.-Salts are formed when bases undergo neutralization with acids.