Question

everything that tastes sour contains an acid . true , false​

Answer 1

Sometimes only it contains

but you write true it is right

Answer 2

Answer:

Consider the following common substances: vinegar, lime juice, sour milk. They all contain acids: vinegar is ethanoic (acetic) acid, lime juice is citric acid, and sour milk contains lactic acid. All these substances taste sharp and sour. Hence, it is true that acidic substances usually have a sour taste.

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