Question

extraction of zinc from zinc slende​

Answer 1

$\huge{\underline{\underline{\sf{Answer :-}}}}$

The extraction of zinc from zinc blende involves the following steps.

➜ Concentration: The ore is crushed and then concentrated by froth-floatation Process.

➜ Roasting: The concentrated ore is then roasted in the presence of excess of air at about 1200k: 2ZnS+3O2→Δ2ZnO+2SO2.

Answer 2

${\bigstar}$ANSWER${\bigstar}$

• Extraction of Zinc : The zinc is extracted from its ore zinc blende (ZnS).

• The ore is concentrated by froth floatation process using pine oil.

• The concentrated ore is then roasted in presence of excess of air at 1200 K.