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Name of the ores given in COLUMN- I, COLUMN- II represents oxidation number of metal in ore.
Match COLUMN- I with COLUMN- II and select correct option

COLUMN-I COLUMN-II
A) Pyrolusite P) +1
B) Magnetite Q) +2
C) Argentite R) +2 and +3 both
D) Siderite S) +4

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$A \to S; B \to Q; C \to P; D \to R$

$A \to Q; B \to S; C \to P; D \to R$

$A \to R; B \to Q; C \to P; D \to S$

$A \to S; B \to R; C \to P; D \to Q$

answer is D.

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Detailed Solution

Pyrolusite: $M n O_{2}$ ; Magnetite: $F e_{3} O_{4}$ ; Argentite: $A g_{2} S$ ; Siderite: $F e C O_{3}$

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