What is used for treating excess of acid in the stomach?

What is the reason of acidity in stomach?

What is the role of aicd in our stomach?

What are the harms of excess of water in the fields?

What happens when diethyl ether is treated with excess of chlorine gas in the presence of sun light ?

Why is cold milk helps a person in neutralising acidity in the stomach?

From the methods (or techniques) of distillation, filtration, fractional distillation, chromatography, crystallisation, select and write down the technique you would use to separate : Unused zinc after the reaction of excess of zinc with dilute sulphuric acid.

Name two drugs which helps to prevent the production of hydrochloric acid in the stomach?