$TiH_{1.73}$ is an example of

The calorific value of producer gas is low because of:

Which of the following isotopes of hydrogen has the maximum sum of $e^- + p^+ + n^0$?

Ammonium nitrate decomposes on heating into

Arrange the following:
$(i)$ $CaH_2$,$BeH_2$ and $TiH_2$ in order of increasing electrical conductance.
$(ii)$ $LiH$,$NaH$ and $CsH$ in order of increasing ionic character.
$(iii)$ $H-H$,$D-D$ and $F-F$ in order of increasing bond dissociation enthalpy.
$(iv)$ $NaH$,$MgH_2$ and $H_2O$ in order of increasing reducing property.

Hydrogen has a tendency to gain one electron to acquire the helium configuration. In this respect,it resembles: