Q90 of 400 Page 194

Calamine ore can be converted into zinc oxide by the process of :

Calamine ore can be converted into zinc oxide by the process of calcination.

More from this chapter

All 400 →
88 A sulphide ore is converted into metal oxide by the process of : 89 The metal which can be extracted from pyrolusite ore is : 91 Zinc blende ore can be converted into zinc oxide by the process of : 92 An element A which is a part of common salt and kept under kerosene reacts with another element B of atomic number 17 to give a product C. When an aqueous solution of product C is electrolyzed then a compound D is formed and two gases are liberated.

(a) What are A and B?


(b) Identify C and D.


(c) What will be the action of C on litmus solution? Why?


(d) State whether element B is a solid, liquid or gas at room temperature.


(e) Write formula of the compound formed when element B reacts with an element E having atomic number 5.