MCQ
Mendeleef's periodic law is based on
- ✓Atomic weight
- BAtomic number
- CNumber of neutrons
- DNone of the above
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$\begin{array}{|l|l|} \hline List\,\,I & List\,\,II \\ \hline (A)\,\,Peroxide & (1)\,\,{C_3}{O_2} \\ \hline (B)\,\,Superoxide & (2)\,\,Pb{O_2} \\ \hline (C)\,\,Dioxide & (3)\,\,K{O_2} \\ \hline (D)\,\,Suboxide & (4)\,\,{H_2}{O_2} \\ \hline \end{array}$
