The percentage of abundance of three elements $X, Y$ and $Z$ in the earth's crust are about $27.7,8.3$ and…

The percentage of abundance of three elements $X, Y$ and $Z$ in the earth's crust are about $27.7,8.3$ and 46.0 by mass respectively. $X, Y$ and $\dot{Z}$ are
  1. O, Si, Al
  2. Al, Si; O
  3. $\mathrm{Si}, \mathrm{Al}, \mathrm{O}$
  4. $\mathrm{Al}, \mathrm{O}, \mathrm{Si}$

Solution

Percentage abundance of elements in earth's crust are

Asked in: AP EAMCET 2022 (07 Jul Shift 1)

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