CBSE · Chemistry
Hydrogen
139 practice questions for CBSE — 85 easy · 44 medium · 10 hard. Every question is graded instantly with a step-by-step solution when you miss it.
Start free practice →Sample questions
MCQ
Which of the following elements belongs to the isotope, tritium?
MCQ
Which of the following mixtures is water gas?
MCQ
The product(s) formed when $\mathrm{H}_2 \mathrm{O}_2$ reacts with disodium hydrogen phosphate is
MCQ
Which of the following statement (s) is/are correct (A) $\mathrm{NaH}$ is non-volatile hydride (B) $\mathrm{MgH}_2$ is polymeric hydride (C) $\mathrm{NH}_3$ is an electron precise hydride (D) $\mathrm{H}_2 \mathrm{O}$…
MCQ
The correct answer is $\begin{array}{llll} A & B & C & D \end{array}$
MCQ
In which of the following reaction, dihydrogen is not evolved?
MCQ
Which of the following statements are correct? (i) $\mathrm{NaH}(s)$ reacts violently with water to form $\mathrm{NaOH}$ and $\mathrm{H}_2$ (ii) An example for electron rich hydride is $\mathrm{NH}_3$ (iii) Nickel forms…
MCQ
Hydrogen peroxide is
MCQ
Identify the correct statements from the following I. $\mathrm{B}_2 \mathrm{H}_6$ is an electron deficient hydride. II. $\mathrm{NH}_3$ an electron rich hydride. III. $\mathrm{NaH}$ is a covalent hydride. IV.…
MCQ
Match the following.
MCQ
Identify the correct statements from the following. (i) The number of hydrogen bonded water molecules in copper sulphate pentahydrate is one. (ii) Lanthanum and zirconium form non-stoichiometric hydrides. (iii) In solid…
MCQ
Which property among the following is same for both hydrogen and deuterium molecules?