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Extraction of Copper

An ore of C...

Question

An ore of $C u_{2} S$ is:

A

copper glance

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B

malachite

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C

cuprite

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D

pyrites

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Solution

The correct option is C copper glance
Cuprite is an oxide ore of copper-Cu2O
Cu2S is copper glance
FeS2 is pyrite
CuCO3 is malachite

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Chemical name of ore of Cu₂S ?

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Q. Correct order of oxidising agent, in

C r^{2 +}

C u^{2 +}

Q. When an equimolar mixture of

C u_{2} S

C u S

is titrated with

B a (M n O_{4})_{2}

in acidic medium, the final product contains

C u^{2 +}, S O_{2}

M n^{2 +}

. If the molecular weight of

C u_{2} S, C u S

B a (M n O_{4})_{2}

M_{1}, M_{2}

M_{3}

respectively then,

Q. When an equimolar mixture of

C u_{2} S

C u S

is titrated with

B a (M n O_{4})_{2}

in acidic medium, the final product contains

C u^{2 +}

S O_{2}

M n^{2 +}

. If the molecular weight of

C u_{2} S

C u S

B a (M n O_{4})_{2}

M_{1}

M_{2}

M_{3}

respectively then:

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