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Previous year question hub

Processes Of Isolation Of Elements - Inorganic Chemistry - Chemistry Previous Year Questions

Practice Processes Of Isolation Of Elements - Inorganic Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

19Papers
14Years
25Questions
1Topics

Processes Of Isolation Of Elements question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Processes Of Isolation Of Elements. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 23 92%
Easy 2 8%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 25 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
25 Qs

Most asked topics

Top topics across the included previous year papers.

Inorganic Chemistry
25 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Processes Of Isolation Of Elements
25 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

NEET 2023 MANIPUR
2 Qs
NEET 2023
1 Qs
NEET 2022 Phase 1
1 Qs
NEET 2021
2 Qs
NEET 2020 PHASE 1
1 Qs
AIIMS 2019
1 Qs
NEET 2019
1 Qs
NEET 2018
1 Qs
NEET 2017
1 Qs
NEET 2016 PHASE 1
1 Qs
AIPMT 2015
1 Qs
AIPMT 2015 Cancelled Paper
1 Qs
NEET 2013
1 Qs
NEET 2013 KARNATAKA
1 Qs
AIPMT 2012 PRELIMS
3 Qs
AIPMT 2011 PRELIMS
2 Qs
AIPMT 2011 MAINS
1 Qs
AIPMT 2007
2 Qs
AIPMT 2003
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
NEET 202320231View paper
NEET 2023 MANIPUR20232View paper
NEET 2022 Phase 120221View paper
NEET 202120212View paper
NEET 2020 PHASE 120201View paper
AIIMS 201920191View paper
NEET 201920191View paper
NEET 201820181View paper
NEET 201720171View paper
NEET 2016 PHASE 120161View paper
AIPMT 201520151View paper
AIPMT 2015 Cancelled Paper20151View paper
NEET 201320131View paper
NEET 2013 KARNATAKA20131View paper
AIPMT 2012 PRELIMS20123View paper
AIPMT 2011 MAINS20111View paper
AIPMT 2011 PRELIMS20112View paper
AIPMT 200720072View paper
AIPMT 200320031View paper

All Processes Of Isolation Of Elements previous year questions

Practice every matching question in batches of 20, with every available option.

1
2003 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
AIPMT 2003
The method of zone refining of metals is based on the principle of
A
greater mobility of the pure metal than that of the impurity
B
higher melting point of the impurity than that of the pure metal
C
greater noble character of the solid metal than that of the impurity
D
greater solubility of the impurity in the molten state than in the solid
Open complete paper
2
2007 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
AIPMT 2007
Sulphide ores of metals are usually concentrated by froth floatation process. Which one of the following sulphide ores offer an exception and is concentrated by chemical leaching?
A
Galena
B
Copper pyrite
C
Sphalerite
D
Argentite
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3
2007 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
AIPMT 2007
Which of the following statements, about the advantage of roasting of sulphide ore before reduction is not true?
A
The \(\Delta\)G\(_f^o\) of the sulphide is greater than those for CS2 and H2S.
B
The \(\Delta\)G\(_f^o\) is negative for roasting of sulphide ore to oxide.
C
Roasting of the sulphide to the oxide is thermodynamically feasible.
D
Carbon and hydrogen are suitable reducing agents for metal sulphides.
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4
2011 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
AIPMT 2011 MAINS
The following reactions take place in the blast furnace in the preparation of impure iron. Identify the reaction pertaining to the formation of the slag.
A
Fe2O3(s) + 3CO(g) \(\to\) 2Fe(l) + 3CO2(g)
B
CaCO3(s) \(\to\) CaO(s) + CO2(g)
C
CaO(s) + SiO2(s) \(\to\) CaSiO3(s)
D
2C(s) + O2(g) \(\to\) 2CO(g)
Open complete paper
5
2011 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
AIPMT 2011 PRELIMS
Which of the following pairs of metals is purified by van-Arkel method?
A
Ga and In
B
Zr and Ti
C
Ag and Au
D
Ni and Fe
Open complete paper
6
2011 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
AIPMT 2011 PRELIMS
Which of the following elements is present as the impurity to the maximum extent in the pig iron?
A
Manganese
B
Carbon
C
Silicon
D
Phosphorus
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7
2012 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
AIPMT 2012 PRELIMS
In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with
A
carbon monoxide
B
copper (I) sulphide
C
sulphur dioxide
D
iron (II) sulphide.
Open complete paper
8
2012 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
AIPMT 2012 PRELIMS
Which one of the following is a mineral of iron?
A
Malachite
B
Cassiterite
C
Pyrolusite
D
Magnetite
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9
2012 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
AIPMT 2012 PRELIMS
Aluminium is extracted from alumina (Al2O3) by electrolysis of a molten mixture of
A
Al2O3 + HF + NaAlF4
B
Al2O3 + CaF2 + NaAlF4
C
Al2O3 + Na3AlF6 + CaF2
D
Al2O3 + KF + Na3AlF6
Open complete paper
10
2015 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
AIPMT 2015
In the extraction of copper from its sulphide ore. the metal is finally obtained by the reduction of cuprous oxide with
A
carbon monoxide
B
copper (I) sulphide
C
sulphur dioxide
D
iron (II) sulphide.
Open complete paper
11
2013 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
NEET 2013
Roasting of sulphides gives the gas X as a byproduct. This is a colourless gas with choking smell of burnt sulphur and causes great damage to respiratory organs as a result of acid rain. Its aqueous solution is acidic, acts as a reducing agent and its acid has never been isolated. The gas X is
A
CO2
B
SO3
C
H2S
D
SO2
Open complete paper
12
2013 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
NEET 2013 KARNATAKA
The metal oxide which cannot be reduced to metal by carbon is
A
Al2O3
B
PbO
C
ZnO
D
Fe2O3
Open complete paper
13
2016 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
NEET 2016 PHASE 1
Match items of Column I with the items of Column II and assign the correct code :
Column \({\rm I}\) Column \({\rm I}\)\({\rm I}\)
(A) Cyanide process (i) Ultrapure Ge
(B) Froth floatation process (ii) Dressing of ZnS
(C) Electrolytic reduction (iii) Extraction of Al
(D) Zone refining (iv) Extraction of Au
(v) Purification of Ni
A
(A) \(\to\) (i);  (B) \(\to\) (ii);  (C) \(\to\) (iii);  (D) \(\to\) (iv)
B
(A) \(\to\) (iii);  (B) \(\to\) (iv);  (C) \(\to\) (v);  (D) \(\to\) (i)
C
(A) \(\to\) (iv);  (B) \(\to\) (ii);  (C) \(\to\) (iii);  (D) \(\to\) (i)
D
(A) \(\to\) (ii);  (B) \(\to\) (iii);  (C) \(\to\) (i);  (D) \(\to\) (v)
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14
2017 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
NEET 2017
Extraction of gold and silver involves leaching with CN\(-\) ion. Silver is later recovered by
A
distillation
B
zone refining
C
displacement with Zn
D
liquation
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15
2018 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
NEET 2018
Considering Ellingham diagram, which of the following metals can be used to reduce alumina?
A
Fe
B
Zn
C
Mg
D
Cu
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16
2019 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
NEET 2019
Which one is malachite from the following?
A
Fe3O4
B
CuCO3.Cu(OH)2
C
CuFeS2
D
Cu(OH)2
Open complete paper
17
2020 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
NEET 2020 PHASE 1
Identify the correct statement from the following :
A
Blister copper has blistered appearance due to evolution of CO2
B
Vapour phase refining is carried out for Nickel by Van Arkel method.
C
Pig iron can be moulded into a variety of shapes.
D
Wrought iron is impure iron with 4% carbon.
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18
2021 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
NEET 2021
The maximum temperature that can be achieved in blast furnace is :
A
Upto 5000 K
B
Upto 1200 K
C
Upto 2200 K
D
Upto 1900 K
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19
2021 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
NEET 2021
Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?
A
Zone refining
B
Electrolysis
C
Chromatography
D
Distillation
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20
2023 · Chemistry · Inorganic Chemistry · Processes Of Isolation Of Elements
NEET 2023

The reaction that does NOT take place in blast furnace between 900 K to 1500 K temperature range during extraction of iron is :

A
\(\mathrm{FeO}+\mathrm{CO} \rightarrow \mathrm{Fe}+\mathrm{CO}_{2}\)
B
\(\mathrm{C}+\mathrm{CO}_{2} \rightarrow 2 \mathrm{CO}\)
C
\(\mathrm{CaO}+\mathrm{SiO}_{2} \rightarrow \mathrm{CaSiO}_{3}\)
D
\(\mathrm{Fe}_{2} \mathrm{O}_{3}+\mathrm{CO} \rightarrow 2 \mathrm{FeO}+\mathrm{CO}_{2}\)
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Showing 20 of 25 questions