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Previous year question hub

Some Basic Concepts Of Chemistry - Physical Chemistry - Chemistry Previous Year Questions

Practice Some Basic Concepts Of Chemistry - Physical Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

30Papers
24Years
55Questions
1Topics

Some Basic Concepts Of Chemistry question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Some Basic Concepts Of Chemistry. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 51 92.7%
Easy 3 5.5%
Medium 1 1.8%

Question type distribution

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

Multiple Choices 55 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
55 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
55 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Some Basic Concepts Of Chemistry
55 Qs

Paper coverage

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

NEET 2026
2 Qs
NEET 2025
2 Qs
NEET 2024
3 Qs
NEET 2024 RE EXAMINATION
3 Qs
NEET 2023
1 Qs
NEET 2023 MANIPUR
1 Qs
NEET 2022 Phase 1
2 Qs
NEET 2022 PHASE 2
2 Qs
NEET 2021
1 Qs
NEET 2020 PHASE 1
2 Qs
AIIMS 2019
1 Qs
NEET 2019
1 Qs
NEET 2018
2 Qs
NEET 2017
1 Qs
NEET 2016 PHASE 2
1 Qs
AIPMT 2015
4 Qs
AIPMT 2015 Cancelled Paper
1 Qs
AIPMT 2014
3 Qs
NEET 2013
2 Qs
NEET 2013 KARNATAKA
1 Qs
AIPMT 2011 MAINS
1 Qs
AIPMT 2010 PRELIMS
2 Qs
AIPMT 2009
1 Qs
AIPMT 2008
3 Qs
AIPMT 2007
2 Qs
AIPMT 2005
1 Qs
AIPMT 2004
1 Qs
AIPMT 2002
3 Qs
AIPMT 2001
3 Qs
AIPMT 2000
2 Qs

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
NEET 202620262View paper
NEET 202520252View paper
NEET 202420243View paper
NEET 2024 RE EXAMINATION20243View paper
NEET 202320231View paper
NEET 2023 MANIPUR20231View paper
NEET 2022 Phase 120222View paper
NEET 2022 PHASE 220222View paper
NEET 202120211View paper
NEET 2020 PHASE 120202View paper
AIIMS 201920191View paper
NEET 201920191View paper
NEET 201820182View paper
NEET 201720171View paper
NEET 2016 PHASE 220161View paper
AIPMT 201520154View paper
AIPMT 2015 Cancelled Paper20151View paper
AIPMT 201420143View paper
NEET 201320132View paper
NEET 2013 KARNATAKA20131View paper
AIPMT 2011 MAINS20111View paper
AIPMT 2010 PRELIMS20102View paper
AIPMT 200920091View paper
AIPMT 200820083View paper
AIPMT 200720072View paper
AIPMT 200520051View paper
AIPMT 200420041View paper
AIPMT 200220023View paper
AIPMT 200120013View paper
AIPMT 200020002View paper

All Some Basic Concepts Of Chemistry previous year questions

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

1
2000 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2000
Oxidation numbers of A, B, C are + 2, +5 and \(-\)2 respectively. Possible formula of compound is
A
A2(BC2)2
B
A3(BC4)2
C
A2(BC3)2
D
A3(B2C)2
Open complete paper
2
2000 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2000
Volume of CO2 obtained by the complete decomposition of 9.85 g of BaCO3 is
A
2.24 L
B
1.118 L
C
0.84 L
D
0.56 L
Open complete paper
3
2001 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2001
Molarity of liquid HCl, if density of solution is 1.17 g/ce is
A
36.5
B
18.25
C
32.05
D
42.10
Open complete paper
4
2001 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2001
Percentage of Se in peroxidase anhydrous enzyme is 0.5% by weight (at. wt. = 78.4) then minimum molecular weight of peroxide anhydrous enzyme is
A
1.568 \(\times\) 104
B
1.568 \(\times\) 103
C
15.68
D
2.136 \(\times\) 104
Open complete paper
5
2001 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2001
Specific volume of cylinfrical virus particle is 6.02 \(\times\) 10\(-\)2 cc/g whose radius and length are 7 \(\mathop A\limits^ \circ\) and 10 \(\mathop A\limits^ \circ\) respectively. If NA = 6.02 \(\times\) 1023, find molecular weight of virus.
A
15.4 kg/mol
B
1.54 \(\times\) 104 kg/mol
C
3.08 \(\times\) 104 kg/mol
D
3.08 \(\times\) 103 kg/mol
Open complete paper
6
2002 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2002
2.5 litre of 1 M NaOH solution is mixed with another 3 litre of 0.5 M NaOH solution. Then find out molarity of resultant solution.
A
0.80 M
B
1.0 M
C
0.73 M
D
0.50 M
Open complete paper
7
2002 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2002
The percentage of C, H and N in an organic compound are 40%, 13.3% and 46.7% respectively then empirical formula is
A
C3H13N3
B
CH2N
C
CH4N
D
CH6N
Open complete paper
8
2002 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2002
Which has maximum molecules?
A
7 g N2
B
2 g H2
C
16 g NO2
D
16 g O2
Open complete paper
9
2004 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2004
The maximum number of molecules is present in
A
15 L of H2 gas at STP
B
5 L of N2 gas at STP
C
0.5 g of H2 gas
D
10 g of O2 gas
Open complete paper
10
2005 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2005
The mole fraction of the solute in one molal aqueous solution is
A
0.009
B
0.018
C
0.027
D
0.036
Open complete paper
11
2007 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2007
Concentrated aqueous sulphuric acid is 98% H2SO4 by mass and has a density of 1.80 g mL\(-\)1. Volume of acid required to make one litre of 0.1 M H2SO4 solution is
A
16.65 mL
B
22.20 mL
C
5.55 mL
D
11.10 mL
Open complete paper
12
2007 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2007
An element, X has the following isotopic composition:
200X : 90%  199X : 8.0%  202X : 2.0%

The weighted average atomic mass of the naturally occuring element X is closest to
A
201 amu
B
202 amu
C
199 amu
D
200 amu
Open complete paper
13
2008 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2008
How many moles of lead (II) chloride will be formed from a reaction between 6.5 g of PbO and 3.2 g HCl ?
A
0.011
B
0.029
C
0.044
D
0.333
Open complete paper
14
2008 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2008
An organic compound contains carbon, hydrogen and oxygen. Its elemental analysis gave C, 38.71% and H, 9.67%. The empirical formula of the compound would be
A
CHO
B
CH4O
C
CH3O
D
CH2O
Open complete paper
15
2008 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2008
What volume of oxygen gas (O2) measuread at 0oC and 1 atm, is needed to burn completely 1 L of propane gas (C3H8) measured under the same conditions ?
A
5 L
B
10 L
C
7 L
D
6 L
Open complete paper
16
2009 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2009
10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water produced in this reaction will be
A
3 mol
B
4 mol
C
1 mol
D
2 mol
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17
2010 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2010 PRELIMS
25.3 g of sodium carbonate, Na2CO3 is dissolved in enough water to make 250 mL of solution. If sodium carbonate dissociates completely, molar concentration of sodium ion, Na+ and carbonate ions, CO\({}_3^{2 - }\) are respectively (Molar mass of Na2CO3 = 106 g mol\(-\)1)
A
0.955 M and 1.910 M
B
1.910 M and 0.955 M
C
1.90 M and 1.910 M
D
0.477 M and 0.477 M
Open complete paper
18
2010 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2010 PRELIMS
The number of atoms in 0.1 mol of a triatomic gas is (NA = 6.02 \(\times\) 1023 mol\(-\)1)
A
6.026 \(\times\) 1022
B
1.806 \(\times\) 1023
C
3.600 \(\times\) 1023
D
1.800 \(\times\) 1022
Open complete paper
19
2011 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2011 MAINS
Which has the maximum number of molecules among the following ?
A
44 g CO2
B
48 g O3
C
8 g H2
D
64 g SO2
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20
2014 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
AIPMT 2014
Equal masses of H2, O2 and methane have been taken in a container of volume V at temperature 27oC in identical conditions. The ratio of the volumes of gases H2 : O2 : methane would be
A
8 : 16 : 1
B
16 : 8 : 1
C
16 : 1 : 2
D
8 : 1 : 2
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Showing 20 of 55 questions