Question

1. Roma took 2-3 grams of a pale green substance X in a test tubeand heated it overhe flame of a burner . A brown coloured substance B was formed along with theevolution of two gases with burning smell of sulphur. Identify X and B. write thechemical reactions involved.​

Answer 1

the pale green substance 'x' is ferrous sulphate.

the reaction involved is

FeSO4------>feo3 + SO2+SO3