Which of the ores mentioned in Table can...

Which of the ores mentioned in Table can be concentrated by magnetic separation method ?

Text Solution

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Ores in which one of the components (either the impurity or the actual ore) is magnetic can be concentrated.
E.g.: ores containing iron , magnetite , siderite and pyrites).

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The ore concentrated by electromagnetic separation is

Wolframine

Haemetite

Casseterite

Rock salt

(A) Ores like haematite, Iron pyrites can be concentrated by magnetic seperation method (R) Magnetic seperation is used for ores in which the impurity or ore is magnetic

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are true and (R) is not the correct explanation of (A)

(A) is true but (R) is false

Both (A) and (R) are false

Which of the following ores are concentrated by Froth flotation

Oxiden ores

Chloride ores

Sulphide ores

Nitride ores