Question

354. The purpose of injection of calcium into
liquid steel is to
P. replace Al2O3 inclusions by CaO in-
clusions
Q. modify Al2O3 inclusions into calcium
aluminate inclusions
R. reduce sulfur content of steel
S. reduce nitrogen content of steel
(a) P, Q
(6) PR
(c) Q, R
(d) Q, S
(GATE 2004]​

Answer 1

Answer:

the optionC is correct answer

it is used to modify Al203 ......

and reduce sulfur.......

hope you understood bye and follow for morefollow