Which one of the following order represent the 84 correct

Last updated: 7/4/2023

Which one of the following order represent the 84 correct sequence of the increasing basic nature of the given oxides 1 Na O K O MgO Al O 2 K O Na 0 Al 0 MgO 3 Al O MgO Na O K O 4 MgO K O Al O Na O Alfafaa 1 Na O 2 K 0 3 A1 0 4 MgO