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Previous year question hub

Hydrogen - Inorganic Chemistry - Chemistry Previous Year Questions

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

9Papers
8Years
11Questions
1Topics

Hydrogen question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Hydrogen. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 11 100%

Question type distribution

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

Multiple Choices 11 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
11 Qs

Most asked topics

Top topics across the included previous year papers.

Inorganic Chemistry
11 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Hydrogen
11 Qs

Paper coverage

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

NEET 2026
1 Qs
NEET 2023
1 Qs
NEET 2022 Phase 1
2 Qs
NEET 2021
1 Qs
AIIMS 2019
2 Qs
NEET 2019
1 Qs
NEET 2016 PHASE 1
1 Qs
AIPMT 2010 MAINS
1 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 202620261View paper
NEET 202320231View paper
NEET 2022 Phase 120222View paper
NEET 202120211View paper
AIIMS 201920192View paper
NEET 201920191View paper
NEET 2016 PHASE 120161View paper
AIPMT 2010 MAINS20101View paper
AIPMT 200320031View paper

All Hydrogen previous year questions

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

1
2003 · Chemistry · Inorganic Chemistry · Hydrogen
AIPMT 2003
The structure of H2O2 is
A
spherical
B
non-planar
C
planar
D
linear
Open complete paper
2
2010 · Chemistry · Inorganic Chemistry · Hydrogen
AIPMT 2010 MAINS
Some statements about heavy water are given below:
(i)  Heavy water is used as a moderator in nuclear reactors.
(ii)  Heavy water is more associated than ordinary water.
(iii)  Heavy water is more effective solvent than ordinary water.

Which of the above statements are correct?
A
(i) and (ii)
B
(i), (ii) and (iii)
C
(ii) and (iii)
D
(i) and (iii)
Open complete paper
3
2016 · Chemistry · Inorganic Chemistry · Hydrogen
NEET 2016 PHASE 1
Which of the following statements about hydrogen is incorrect?
A
Hydronium ion, H3O+ exists freely in solution.
B
Dihydrogen does not act as a reducing agent.
C
Hydrogen has three isotopes of which tritium is the most common.
D
Hydrogen never acts as cation in ionic salts.
Open complete paper
4
2019 · Chemistry · Inorganic Chemistry · Hydrogen
NEET 2019
The method used to remove temporary hardness of water is :
A
Ion-exchange method
B
Synthetic resins method
C
Calgon’s method
D
Clark’s method
Open complete paper
5
2021 · Chemistry · Inorganic Chemistry · Hydrogen
NEET 2021
Tritium, a radioactive isotope of hydrogen, emits which of the the following particles?
A
Neutron (n)
B
Beta (\(\beta\)\(-\))
C
Alpha (\(\alpha\))
D
Gamma (\(\gamma\))
Open complete paper
6
2023 · Chemistry · Inorganic Chemistry · Hydrogen
NEET 2023

Which of the following statements are NOT correct?

A. Hydrogen is used to reduce heavy metal oxides to metals.

B. Heavy water is used to study reaction mechanism.

C. Hydrogen is used to make saturated fats from oils

D. The \(\mathrm{H}-\mathrm{H}\) bond dissociation enthalpy is lowest as compared to a single bond between two atoms of any element.

E. Hydrogen reduces oxides of metals that are more active than iron.

Choose the most appropriate answer from the options given below:

A
B, D only
B
D, E only
C
A, B, C only
D
B, C, D, E only
Open complete paper
7
2019 · Chemistry · Inorganic Chemistry · Hydrogen
AIIMS 2019

\(\mathrm{H}_2 \mathrm{O}_2\) is obtained by which of the following?

A
\(\mathrm{BaO}_2\)
B
\(\mathrm{MnO}_2\)
C
\(\mathrm{SeO}_2\)
D
\(\mathrm{TeO}_2\)
Open complete paper
8
2019 · Chemistry · Inorganic Chemistry · Hydrogen
AIIMS 2019

Yellow colour of chlorine water fades because of

A
form \(\mathrm{HCl}\) and \(\mathrm{HOCl}\)
B
chlorine gas escapes
C
\(\mathrm{ClO}_2+\mathrm{H}_2\)
D
\(\mathrm{Cl}_2 \mathrm{O}\)
Open complete paper
9
2022 · Chemistry · Inorganic Chemistry · Hydrogen
NEET 2022 Phase 1

The pollution due to oxides of sulphur gets enhanced due to the presence of:

(a) particulate matter (b) ozone (c) hydrocarbons (d) hydrogen peroxide

Choose the most appropriate answer from the options given below:

A
(a), (d) only
B
(a), (b), (d) only
C
(b), (c), (d) only
D
(a), (c), (d) only
Open complete paper
10
2022 · Chemistry · Inorganic Chemistry · Hydrogen
NEET 2022 Phase 1

In the neutral or faintly alkaline medium, KMnO4 oxidises iodide into iodate. The change in oxidation state of manganese in this reaction is form

A
+7 to +4
B
+6 to +4
C
+7 to +3
D
+6 to +5
Open complete paper
11
2026 · Chemistry · Inorganic Chemistry · Hydrogen
NEET 2026

Methane reacts with steam at 1273 K in the presence of nickel catalyst to form :

A

CO and $\mathrm{H}_2 \mathrm{O}$

B

$\mathrm{CO}_2$ and $\mathrm{H}_2$

C

$\mathrm{CO}$ and $\mathrm{H}_2$

D

$\mathrm{CO}_2$ and $\mathrm{H}_2 \mathrm{O}$

Open complete paper