X \overset{Limestone \textrm{ } + \textrm{ } O_{2}}{\rightarrow} slag (used in fertilizer industry) Y \overset{Limestone \textrm{ } + \textrm{ } O_{2}}{\rightarrow} slag (used in cement industry) Impurity X and Y which are present in cast iron are respectively.

Engineering

Chemistry

Ores and Minerals

Oxides Peroxides Superoxides and Hydroxide

Extraction of Iron and Copper

Question

$X \overset{Limestone + O_{2}}{\to}$ slag (used in fertilizer industry)

$Y \overset{Limestone + O_{2}}{\to}$ slag (used in cement industry)

Impurity X and Y which are present in cast iron are respectively.

Mn, P

Si, Mn

P, Si

Si, P

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Thomas slag is a by product of steel industry and is a mixture of Ca₃(PO₄)₂ & CaSiO3

Phosphorus $\overset{Limestone + O_{2}}{\to}$ Ca₃(PO₄)₂ —→ used in fertilizer industry

(Impurity in cast iron) (Slag)

Silicon $\overset{Limestone + O_{2}}{\to}$ CaSiO₃ —→ used in cement industry

(Impurity in cast iron) (Slag)