Which of the following pair of elements cannot form an alloy

  • A

    $Zn - Cu$

  • B

    $Fe - Hg$

  • C

    $Fe,\,C$

  • D

    $Na,\,Hg$

Similar Questions

In a borax bead test under hot condition, a metal salt (one from the given) is heated at point $B$ of the flame, resulted in green colour salt bead. The spin-only magnetic moment value of the salt is ........... $BM$ (Nearest integer)
[Given atomic number of $\mathrm{Cu}=29, \mathrm{Ni}=28$, $\mathrm{Mn}=25, \mathrm{Fe}=26]$

  • [JEE MAIN 2024]

Ionisation potential values of $d-$ block elements as compared to ionization potential value of $ f-$ block elements are

Which of the following is $NOT$ a characteristic of the transition elements in the series from scandium to zinc?

$CuSO_4(aq) + 4NH_3 \rightarrow X,$ then $X$ is

The correct formula of permanganic acid is