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Magnetic Separation

is used to tr...

Question

_____ is used to treat bauxite ore during leaching.

A

HCl

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B

KCl

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C

NaCl

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D

NaOH

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Solution

The correct option is D NaOH
.

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Similar questions

Q. Why is leaching used as the method of concentration for bauxite ore?

Q. Complete the following statement using every given options.
During the extraction of aluminium..............
a. Ingredients and gangue in bauxite.
b. Use of leaching during the concentration of ore.
c. Chemical reaction of transformation of bauxite into alumina by Hall’s process.
d. Heating the aluminium ore with concentrated caustic soda.

Q. _________ is used to treat bauxite ore during leaching.

Q. Assertion :Alumina is leached from bauxite using caustic soda Reason: Leaching is used when ore alone but not gangue is soluble in a suitable solvent

Q. Choose the option depicting the correct match of the ore and the concentration method used for them.

Column A	Column B
(a) Copper glance	(i) Froth floatation
(b) Bauxite	(ii) Magnetic separation
(c) Siderite	(iii) Leaching

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