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NEET 2019
Exam
NEET
Year
2019
Subject
Chemistry
Chapter
General Principles and Processes of Isolation of Metals

NEET 2019 · Chemistry · General Principles and Processes of Isolation of Metals

Identify the incorrect statement.

Identify the incorrect statement.

Options

  1. AThe scientific and technological process used for isolation of the metal from its ore is known as metallurgy
  2. BMinerals are naturally occurring chemical substances in the earth's crust
  3. COres are minerals that may contain a metal
  4. DGangue is an ore contaminated with undesired materials

Correct answer

D. Gangue is an ore contaminated with undesired materials

Step-by-step solution

The earthly impurities like sand, clay, mica, etc., associated with ores are called gangue or matrix. In other words, contaminated undesired materials present in an ore is called gangue. Thus, statement (4) is incorrect while other options contain correct statements.
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