Question

salts and evolve hydrogen gas. Metal + Acid Salt + Hydrogen gas Curd and other sour foodstuffs such as vinegar, lemon juice, orange juice, etc. should not be kept in metal vessels (like copper vessels or brass vessels). This is because curd and other sour foodstuffs contain dilute acids which can react with the metal of the vessel to form poisonous metal compounds which can cause food poisoning and damage our health. To store foodstuffs which contain dilute acids, we can use does not rust, and does not react with dilute acids. How do we confirm the presence of hydrogen gas after metals react with acids?​

Answer 1

Answer:

With a pop up sound of hydrogen gas