Question

why vinegar cannot be stored in metal containers ?

Answer 1

vinegars are acid. So if we kep vinegar in metallic containers they could react and then could form toxic substances which can cause violent reactions in our body

Answer 2

We cannot store vinegar in metal container because of the presence of acid in vinegar. We know acetic acid (CH3COOH) is the main component of Vinegar so metal readily react with acid which is harmful to human body and can lead several health problems.