MHT-CET

General Principles and Pr question bank (Chemistry)

Practice 55 free MHT-CET Chemistry - General Principles and Pr questions with answers and step-by-step solutions.

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Q1.

Which of the following methods is used to separate wolframite and stannic oxide present in cassiterite?

(A)

Hydraulic washing using Wilﬂey table

(B)

Froth ﬂotation

(C)

Hydraulic classiﬁer

(D)

Magnetic separation

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Q2.

In leaching of alumina from bauxite by Bayer’s process, then ore is treated with

(A)

N a O H (a q)

(B)

N a C N (a q)

(C)

K C N (a q)

(D)

N a_{2} C O_{3} (a q)

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