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Solution


Q.

Read the passage carefully and answer the following questions from (i) to (v):

 

Marble’s popularity began in ancient Rome and Greece, where white and off-white marble were used to construct a variety of structures, from hand-held sculptures to massive pillars and buildings.

(v) Calcium oxide can be reduced to calcium by heating with sodium metal. Which compound would act as an oxidizing agent in the above process
1 Sodium  
2 Sodium oxide  
3 Calcium  
4 Calcium oxide  

Ans.

(4)