What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid ?

What happen when a solution of potassium chromate is treated with an excess of dil. Nitic acid?

A solution of potassium chromate is treated with an excess of dilute nitric acid. Then the observations is

What happens when potassium bromide is treated with warm conc. sulphuric acid?

What happens when lead nitrate reacts with potassium chromate?

What happens when potassium dichromate is treated with ferrous sulphate solution in the presence of dilute sulphuric acid ?

What happens when potassium is treated with water?