Why should curd and other sour food stuffs like lemon juice etc not be kept in metal containers such...

Question

Why should curd and other sour food stuffs like lemon juice etc not be kept in metal containers such as copper and brass vessels

Accepted Answer

Curds and other sour foods stuff are acidic in nature Acids react with the metal to produce hydrogen gas and thus it spoils the food They also form some toxic metal compounds which make the food inedible or poisonous

Lakhmir Singh Solutions Class 10 Chemistry Solutions for Exercise in Chapter 2 - Chapter 2 Acids, Bases and Salts