Answer the following questions given below

cbse
isolationofelements

#1

(i) Answer the following questions.
(a) The sulphide ore is converted to oxide before reduction.
(b) Thermite process is used for the reduction of metal oxide.


#2

(a) Because oxides are easier to reduce.
(b) In thermite process, metal oxides such as chromium and manganese oxides are reduced.