• # question_answer Which of the following is an example of chlorodising roasting? A)  $A{{g}_{2}}S+2NaCl\xrightarrow{{}}2AgCl+N{{a}_{2}}S$B)  $PbS+2{{O}_{2}}\xrightarrow{{}}PbS{{O}_{4}}$C)  $2AgCl+4Hg\xrightarrow{{}}2AgHg+H{{g}_{2}}C{{l}_{2}}$D)  Both (a) and (c)

In the chlorodising roasting the metal or its ore is converted into chloride by heating with a chloride salt. $A{{g}_{2}}S+2NaCl\xrightarrow{{}}2AgCl+N{{a}_{2}}S$ $2AgCl+4Hg\xrightarrow{{}}2Ag.Hg+H{{g}_{2}}C{{l}_{2}}$