If an ore contains impurity of $S i O_{2}$ , identify the appropriate flux for the removal of it:

M n O

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P_{4} O_{10}

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C O_{2}

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S O_{2}

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Solution

The correct option is A $M n O$
$M n O + S i O_{2} \to M n S i O_{3} (S l a g)$

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Similar questions

Q. Name the flux to remove the impurity of

S i O_{2}

STATEMENT-1 :

S i O_{2}

is used as an acidic flux in metallurgy.
STATEMENT-2 :

S i O_{2}

removes basic impurities forming a slag.

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

Q. Assertion: The impurities such as

{SiO}_{2}

present in iron ore is removed by

{CaCO}_{3}

.

Reason:

CaO

formed by decomposition of

{CaCO}_{3}

reacts with

{SiO}_{2}

to form slag.

When copper pyrites is roasted in excess of air, a mixture of CuO + FeO is formed. FeO is present as impurity. This can be removed as slag during reduction of CuO. The flux added to form slag is

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If an ore contains impurity of SiO2, identify the appropriate flux for the removal of it:

The correct option is A MnOMnO+SiO2→MnSiO3(Slag)

If an ore contains impurity of $S i O_{2}$ , identify the appropriate flux for the removal of it:

The correct option is A $M n O$
$M n O + S i O_{2} \to M n S i O_{3} (S l a g)$