When a mixture of NaCl and KCl is heated with conc. `H_2SO_4` and `K_2CrO_7`. The red gas obtained is

When NaCl is heated with conc. H_2SO_4 and solid K_2Cr_2O_7 , we get:

Which gas is produced when NaCl is heated with conc. H_2SO_4 ?

When KCl is heated with conc. H_(2)SO_(4) and solid K_(2)Cr_(2)O_(7), we get

A mixture of NaCl and K_(2)Cr_(2)O_(7) is heated with conc. H_(2)SO_(4) ,deep red vapours and formed .Which of the following statements is false?

When a mixture of solid NaCl, solid K_(2)Cr_(2)O_(7) is heated with conc. H_(2)SO_(4) orange red vapours are obtained. These are of the compound