NEET UG · Chemistry · General Principles and Processes of Isolation of Elements

General Principles of Metallurgy: NEET previous year questions

This topic’s chapter, General Principles and Processes of Isolation of Elements, is not in the NEET UG 2026 syllabus. It had 8 questions from 2017 to 2023; they are kept here for reference.

Asked in 10 years: 8; about 0.8 per paper
Years asked: 7/10; last asked 2023
Syllabus: Dropped; not in NEET UG 2026
Last asked: 2023; 3 papers ago

Key findings

01
Asked in 7 of 10 papers, 8 questions in all: #112 of 204 topics by ten-year total. Last asked in 2023.
02
71% of its questions since 2018 tested an idea never asked before; none repeated an idea from the year before.
03
The most repeated idea is Extraction of Iron in the Blast Furnace, asked 2 times (2021, 2023), usually as “identify reaction not occurring in a process”.
04
NEET has asked 0 of the 6 ideas in this topic; 0 have never been asked, directly or indirectly.
05
Mostly asked as one-line MCQ (88%); 50% easy, 0% hard, and down from 1.1 to 0.0 questions a paper since 2024.

Questions per year

Up to 2023: 1.1; per paper
Since 2024: 0.0; -1.1
Usual gap: 1.0 yrs; between papers asking it
Swing: ±0.6; questions, year to year

How it is asked

Difficulty, format and skill

Across all 8 questions on General Principles of Metallurgy since 2017.

Difficulty

QUESTIONS

Easy4 · 50%
Medium4 · 50%
Hard0 · 0%

Format

One-line MCQ · 7 Q88%
Match the lists · 1 Q13%

Skill tested

Recall · 7 Q88%
Data or graph · 1 Q13%

Repeats

New idea, or one asked before?

Each column is a paper. Blue questions tested an idea NEET had not asked before; navy ones went back to an idea from an earlier paper. 2017 is the first paper, so everything in it counts as new.

’17’18’19’20’21’22’23’24’25’26

Idea asked for the first time
Idea asked in an earlier paper

Coverage of the topic

NEET has asked 0 of the 6 ideas in this topic. 0 have never been asked yet.

Asked directly0 · 0%
Touched inside another question6 · 100%
Never asked0 · 0%

Ideas come from Lumi’s syllabus map of NCERT. A never-asked idea is not a safe skip: most new questions come from exactly these.

Drill down

Idea, year, question

Every idea NEET tested in this topic, with its ten papers. Open one to read the questions.

ideaAskedShareYears’17’18’19’20’21’22’23’24’25’26

Repeated2 · 25%25%2/10
- 2023 · Q95
  The reaction that does NOT take place in a blast furnace between 900 K to 1500 K temperature range during extraction of iron is :
  mediumOne-line MCQ
- 2021 · Q76
  The maximum temperature that can be achieved in blast furnace is :
  mediumOne-line MCQNew idea
Repeated2 · 25%25%2/10
1 · 13%13%1/10
1 · 13%13%1/10
1 · 13%13%1/10
1 · 13%13%1/10

Squares are the ten papers, 2017 to 2026; darker means more questions. Share is of the level above.

Ideas

Every idea inside this topic

6 different ideas were tested; 2 came more than once.

Extraction of Iron in the Blast Furnace2×
identify reaction not occurring in a process
One-line MCQ · 4% next
Ores and Minerals2×
match list on ores and compositions
Match the lists · 4% next
Refining of Metals1×
identify purification method for metal
One-line MCQ · 4% next
Commercial Forms of Iron and Copper1×
true statement selection on metallurgy
One-line MCQ · 4% next
Ellingham Diagram1×
metal selection from ellingham diagram
One-line MCQ · 4% next
Leaching and Hydrometallurgy1×
identify step in metal extraction
One-line MCQ · 4% next

Idea	Times	Format	Chance next	Foundation for
Extraction of Iron in the Blast Furnaceidentify reaction not occurring in a process	2	One-line MCQRecall	4%	–
Ores and Mineralsmatch list on ores and compositions	2	Match the listsRecall	4%	–
Refining of Metalsidentify purification method for metal	1	One-line MCQRecall	4%	–
Commercial Forms of Iron and Coppertrue statement selection on metallurgy	1	One-line MCQRecall	4%	–
Ellingham Diagrammetal selection from ellingham diagram	1	One-line MCQData or graph	4%	–
Leaching and Hydrometallurgyidentify step in metal extraction	1	One-line MCQRecall	4%	–

Chance next is the historical rate at which an idea with this record came back in the following paper. It is low for every idea, which is why learning the topic beats memorising past questions. All repeated ideas

Every question

General Principles of Metallurgy questions, year by year

The opening words of each question as it appeared in the official paper, with the idea it tested.

NEET 20231 question

Q95
The reaction that does NOT take place in a blast furnace between 900 K to 1500 K temperature range during extraction of iron is :
Idea: Extraction of Iron in the Blast Furnace
MediumOne-line MCQ

NEET 20221 question

Q88
Match List - I with List - II. List - I (Ores) | List - II (Composition) (a) Haematite | (i) $\mathrm{Fe_3O_4}$ (b) Magnetite | (ii)…
Idea: Ores and Minerals
EasyMatch the lists

NEET 20212 questions

Q76
The maximum temperature that can be achieved in blast furnace is :
Idea: Extraction of Iron in the Blast Furnace
New ideaMediumOne-line MCQ
Q78
Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature ?
Idea: Refining of Metals
New ideaEasyOne-line MCQ

NEET 20201 question

Q111
Identify the correct statement from the following :
Idea: Commercial Forms of Iron and Copper
New ideaMediumOne-line MCQ

NEET 20191 question

Q89
Which one is malachite from the following ?
Idea: Ores and Minerals
New ideaEasyOne-line MCQ

NEET 20181 question

Q48
Considering Ellingham diagram, which of the following metals can be used to reduce alumina ?
Idea: Ellingham Diagram
New ideaMediumOne-line MCQ

NEET 20171 question

Q90
Extraction of gold and silver involves leaching with $\mathrm{CN^-}$ ion. Silver is later recovered by :
Idea: Leaching and Hydrometallurgy
EasyOne-line MCQ

Questions from the official NEET UG papers published by NTA (CBSE before 2019). Topic and idea tags, counts and notes are Lumi’s.