Home
Class 12
CHEMISTRY
Magnetic separation is used for increasi...

Magnetic separation is used for increasing concentration of the:

A

Hom silver

B

Calcite

C

Haematite

D

Magnesite

Text Solution

Verified by Experts

The correct Answer is:
C

Haematite is `Fe_2O_3` a magnetic ore
Promotional Banner

Similar Questions

Explore conceptually related problems

Froth floatation process may be used to increase the concentration of the mineral in

Solvent is used in the concentration of bauxite.

The process of 'eutrophication' is due to : increase in concentration of insecticide in water, increase in concentration of fluoride ion in water, The reduction in concentration of the dissolved oxygen in water due to phosphate pollution in water, attack of younger leaves of a plant by peroxyacetyl nitrate.

A reaction is first order in A and second order in B. How isthe rate affected on increasing the concentration of B three times?

For a reaction A + B rarr C + D,if the concentration of A is doubled without altering the concentration of B the rate gets doubled. If the concentration of B is increased by nine times without altering the concentration of A, the rate gets tripled. The order of the reaction is:

Froth flotation process, hydraulic washing, magnetic separation, leaching etc are some methods for concentration of ores? Which of this methods is useful for the separation of copper pyrites? b) Write the reason for choosing this method.

Which of the following will favours the reverse reaction in a chemical equilibrium? (1)Increasing the concentration of one of the reactants. (2)Removal of atleast one of the products at regular intervals. (3)Increasing the concentration of one or more of the products. (4)None of the these