(i) The ore zinc blende, is an important source of the metal zinc. Wha

(i) The ore zinc blende, is an important source of the metal zinc. What is the name of the zinc compound in zinc blende ? (ii) Which is the zinc compound obtained by roasting zinc blende ? (iii) What is the type of chemical reaction carried out after roasting in order to obtain zinc ?(iv) Are liquid zinc and liquid lead miscible or immiscible ? (v) What is the name of the alloy formed between zinc and copper ?

Answer»

(i) Zinc sulphide [ZnS].

(ii) Zinc blende is oxidised to zinc oxide by roasting in presence of excess air on reverberatory furance.

(iii) Reduction of zinc oxide.

(iv) Immiscible.

(v) Brass