List of top Chemistry Questions on Hydrogen

The products obtained during treatment of hard water using Clark’s method are:
On reaction with stronger oxidizing agent like KIO4, hydrogen peroxide oxidizes with the evolution of O2. The oxidation number of I in KIO4 changes to____.
Hydrogen has three isotopes: protium (1H), deuterium (2H or D) and tritium (3H or T). They have nearly same chemical properties but different physical properties. They differ in
The oxide that gives H\(_2\)O\(_2\) most readily on treatment with H\(_2\)O is :
At 298.2 K the relationship between enthalpy of bond dissociation (in kJ mol$^{-1}$) for hydrogen ($E_H$) and its isotope, deuterium ($E_D$), is best described by :
Which one of the following methods is most suitable for preparing deionized water ?
Deuterium resembles hydrogen in properties but :
Given below are two statements :
Statement I : The process of producing syn-gas is called gasification of coal.
Statement II : The composition of syn-gas is \( \text{CO} + \text{CO}_2 + \text{H}_2 \) (1 : 1 : 1).
In the light of the above statements, choose the most appropriate answer from the options given below :
Which one of the following statements is incorrect?
Which of the following equation depicts the oxidizing nature of $H_2O_2$?
In basic medium, H₂O₂ exhibits which of the following reactions ? (A) Mn²⁺ → Mn⁴⁺ (B) I₂ → I⁻ (C) PbS → PbSO₄ Choose the most appropriate answer from the options given below :
Which of the following options best describes the 'hydrogen economy'?
Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$
Assertion A : Hydrogen is an environment-friendly fuel
Reason R : Atomic number of hydrogen is 1 and it is a very light element
In the light of the above statements, choose the correct answer from the options given below

Which among the following elements is used in nuclear reactors as moderator?