The Cu2O reacted with un-reacted FeS to form…………..
a) Cu2S
b) FeO
c) both a & b
d) none of these
Molten cuprous sulphide with…….. is called matte.
a) FeS
b) CuO
c) Cu2S
d) CuFeS2
Bessemer process was invented by ………….
a) Arhennius
b) Henry Bessemer
c) Guld Berg
d) Graham
Bessemerization is carried out in a special kind of …………. Shaped furnace.
a) egg
b) pear
c) both a & b
d) none of these
The furnace used inbessemerization is called
a) Bessemer converter
b) froth
c) pine oil
d) metal
In Bessemerization, the molten matte is poured in Bessemer converter and calculated amount of …………….is add.
a) sand
b) salt
c) clay
d) silt
