Question
Arrange the following elements on increasing order of their mass (weight) percentage in the Bulk earth :
A. Iron
B. Silicon
C. Oxygen
D. Magnesium
E. Nickel
Choose the correct answer from the options given below :
This question was previously asked in
CUET PG 2026 Agri-Business Management Question Paper (25-Mar-2026) (Shift 2)
The correct answer is
E, D, B, C, A
Bulk Earth Elemental Mass Percentage Ranking
The question requires arranging specific elements based on their mass percentage contribution to the Earth's bulk composition in increasing order.
Elemental Abundances in Bulk Earth
The approximate mass percentages for the given elements in the Earth's bulk are:
- E. Nickel (Ni): ~1.8%
- D. Magnesium (Mg): ~13.0%
- B. Silicon (Si): ~15.2%
- C. Oxygen (O): ~30.0%
- A. Iron (Fe): ~34.6%
Increasing Order of Mass Percentage
Arranging these elements from the lowest mass percentage to the highest yields the following order:
- Nickel (E)
- Magnesium (D)
- Silicon (B)
- Oxygen (C)
- Iron (A)
Therefore, the correct sequence is E, D, B, C, A.
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