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Physical Chemistry
Some Basic Concepts of ChemistryStructure of AtomRedox ReactionsGaseous StateChemical EquilibriumIonic EquilibriumSolutionsThermodynamicsElectrochemistryChemical KineticsNuclear ChemistrySolid StateSurface Chemistry
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Periodic Table and PeriodicityChemical Bonding and Molecular StructureProcesses of Isolation of Elementss-Block ElementsHydrogenp-Block Elementsd and f Block ElementsCoordination CompoundsEnvironmental Chemistry
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Some Basic Concepts of Organic ChemistryHydrocarbonsHaloalkanes and HaloarenesAlcohol, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsOrganic Compounds Containing NitrogenPolymersBiomoleculesChemistry in Everyday Life
Hydrogen
Practice Questions
MCQ (Single Correct Answer)
1

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:

NEET 2023
2

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:

NEET 2022 Phase 1
3

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

NEET 2022 Phase 1
4
Tritium, a radioactive isotope of hydrogen, emits which of the the following particles?
NEET 2021
5
The method used to remove temporary hardness of water is :
NEET 2019
6
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?
AIPMT 2010 Mains
7
The structure of H2O2 is
AIPMT 2003
MCQ (More than One Correct Answer)
1
Which of the following statements about hydrogen is incorrect?
NEET 2016 Phase 1
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