Get Started
Start Free Mocks
CUETMOCK

Ace Your

CUET Preparation Today

Start Free Mocks
Home Questions V2XQPAUGS9
Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: General Principles and Processes of Isolation of Elements

Question:

Match List I with List II

List I List II
A. Cyanide process 1. Ultrapure Ge
B. Froth Floatation process 2. Dressing of ZnS
C. Electrolytic reduction 3. Extraction of Al
D. Zone refining 4. Extraction of Au
Options:

A-4; B-2; C-3; D-1

A-1; B-2; C-3; D-4

A-2; B-4; C-3; D-1

A-4; B-3; C-2 D-1

Correct Answer:

A-4; B-2; C-3; D-1

Explanation:

Cyanide process is used for the extraction of Au and Ag.

Froth flotation process is used for dressing of ZnS. This process is used for sulphide ores.

Electrolytic reduction is used in the extraction of Al.

Zone refining is used to obtain ultrapure Ge.

CUET Questions