Hydrogen from $HCl$ can be prepared by

Which property of hydrogen distinguishes it from alkali metals?

Exhausted permutit does not contain ....... ion.

Identify the correct statements from the following:
$i$. Reaction of hydrogen with fluorine occurs even in dark.
$ii$. Manufacture of ammonia by Haber process is an endothermic reaction.
$iii$. $HF$ is an electron-rich hydride.

How does the atomic hydrogen or oxy-hydrogen torch function for cutting and welding purposes? Explain.

Hydrogen iodide cannot be prepared by the action of concentrated $H_2SO_4$ on potassium iodide because: