Question

(d) The main raw material of iron & steel industry
(i) Copper
(ii) Dolomite
(iii) Zinc
(iv) Silver
(e) Bhilai Steel Plant was set up with collaboration of
(i) USA
(ii) Japan
(iii) Russia
(iv) China​

Answer 1

Answer:

copper zinc the the main raw material of iron and Steel industry is copper and zinc okI don't know it is right or wrong but you can search Google

Answer 2

Answer:

Dolomite

I attach a picture

and 2 answer is

Russia