MCQOPTIONS
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| 1. |
The most abundant metal in the earth crust is [BHU 1979, 81; MP PMT 1997; CPMT 1988, 2001; CBSE PMT 2000] |
| A. | \[Na\] |
| B. | \[Mg\] |
| C. | \[Al\] |
| D. | \[Fe\] |
| Answer» D. \[Fe\] | |