Questions
Match the Column I with Column II and choose the correct option from the codes give below.
| Column I (Ore) | Column II (Concentration method) | ||
| A. | Bauxite | 1. | Froth floatation method |
| B. | Haematite | 2. | Magnetic separation |
| C. | Copper pyrites | 3. | hydraulic washing |
| D. | Cassiterite | 4. | Leaching |
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a
A - 4 ; B - 3 ; C - 1 ; D - 2
b
A - 4 ; B - 3 ; C - 2 ; D - 1
c
A - 3 ; B - 1 ; C - 2 ; D - 4
d
A - 1 ; B - 2 ; C - 3 ; D - 4
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Correct option is A
Bauxite is soluble in suitable solvent, so concentrated by leaching.Haematite being heavier is concentrated by hydraulic washing. Copper pyrites is concentrated by frothfloatation method and cassiterite by magnetic separation A→4,B→3,C→1,D→2Talk to our academic expert!
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