

MCQOPTIONS
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1. |
The order in which the following oxides are arranged according to decreasing basic nature is [CPMT 1985] |
A. | \[N{{a}_{2}}O,\,MgO,\,A{{l}_{2}}{{O}_{3}},\,CuO\] |
B. | \[MgO,\,A{{l}_{2}}{{O}_{3}},\,CuO,\,N{{a}_{2}}O\] |
C. | \[A{{l}_{2}}{{O}_{3}},\,MgO,\,CuO,\,N{{a}_{2}}O\] |
D. | \[CuO,\,N{{a}_{2}}O,\,MgO,\,A{{l}_{2}}{{O}_{3}}\] |
Answer» B. \[MgO,\,A{{l}_{2}}{{O}_{3}},\,CuO,\,N{{a}_{2}}O\] | |