1.

In the Bessemer Converter process, Bessemer Converter is line with 'X' when pig iron contains phosphrous, while it is lined with 'Y' when pig iron contains manganese as impurity. Here substances X and Y are

Answer»

`SiO_(2) " and " SiO_(2)`
CAO and CaO
`SiO_(2)` and CaO
CaO and `SiO_(2)`

ANSWER :4


Discussion

No Comment Found