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Q. Galena is the principal ore of which element

Q.   Galena is the principal ore of which element ?

A.Iron      B.Mercury      C.Copper     D.Lead

Answer: D

Q.    गैलिना किस तत्व का प्रमुख अयस्क है?

 A.Iron     B.Mercury       C.Copper     D.Lead
 
answer:D
Q.   Galena is the principal ore of which element ?

A.Iron      B.Mercury      C.Copper     D.Lead

Answer: D

Q.    गैलिना किस तत्व का प्रमुख अयस्क है?

 A.Iron     B.Mercury       C.Copper     D.Lead
 
answer:D