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

1.	(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) What is the zinc compound obtained by roasting zinc blende? (iii) What is the type of chemical reaction carried out 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 oxidized to zinc oxide by roasting in presence of excess air, (iii) Reduction of zinc oxide. (iv) Immiscible. (v) Brass [7% of Cu, 30% of Zn].

(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) What is the zinc compound obtained by roasting zinc blende? (iii) What is the type of chemical reaction carried out 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 oxidized to zinc oxide by roasting in presence of excess air,

(iii) Reduction of zinc oxide.

(iv) Immiscible.

(v) Brass [7% of Cu, 30% of Zn].