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How mant reaction can show slag formatio...

How mant reaction can show slag formation process from the given reaction ?
(i) `SiO_(2) + CaO rarr CaSiO_(3)`
(ii) `FeO + SiO_(2) rarr FeSiO_(3)`
(iii) `CaO + P_(2)O_(5) rarr Ca_(3)(PO_(4))_(2)`
(iv) `Cr_(2)O_(3) + 2Al rarr Al_(2)O_(3) + 2Cr`
(v) `MgCO_(3) + SiO_(2) rarr MgSiO_(3) + CO_(2)`.

A

(i) `SiO_(2) `- Acidic flux (ii) `MgO-` Basic flux

B

(i) `SiO_(2) `- Basic flux (ii) MgO - Acidic flux

C

(i) `SiO_(2) `- Basic flux (ii) MgO-Basic flux

D

(i) `SiO_(2)`-Acidic flux (ii) MgO -Acidic flux

Text Solution

Verified by Experts

The correct Answer is:
A
`(i) underset("Basic impurity")(FeO) + underset("Acidic flux")(SiO_(2)) to underset("Slag")(FeSiO_(3))`
`(ii) underset("Acidic impurity")(SiO_(2)) + underset("Basic flux")(MgO) to underset("Slag")(MgSiO_(3))`
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