Name the substance produced when sodium sulphite is treated with `H_2SO_4 and HCl` ?

What happens when ferrous sulfide is treated with dil. H_2SO_4 ?

What happens when sodium formate is heated with conc. H_2 SO_4

Hydrogen chloride is formed when sodium chloride is treated with

Which gas is produced when common salt reacts with conc. H_2 SO_4 ?

Which of these is obtained as the product when ethanol is treated with conc. H_(2) so_(4) at 413 K ?

Name the gas produced on treating calcium hydride with water.

Identify the gas evolved in the following reactions when : potassium sulphite is treated with dilute hydrochloric acid.

The gas liberated when Sodium Sulphite reacts with dilute sulphuric acid is

What happens when a sulphite reacts with dilute H_(2)SO_(4) in presence of zinc ?

Both sodium sulphate (Na_(2)SO_(4)) and sodium sulphite (Na_(2)SO_(3)) are the compounds of sodium, sulphur and oxygen. By calculations prove that the quantity of oxygen in sodium sulphate is greater than that in sodium sulphite. (R.A.M. : Na = 23, S = 32, O = 16.]