SSC CGL 17 Aug 2021 Shift 1 Paper

Question : 50 of 100

Marks: +1, -0

Almost

98 \%

of Earth's crust is made up of eight elements. Which of the following does not figure among these elements?

Carbon
Silicon
Calcium
Oxygen

Validate

Solution:

The crust is the outermost layer of Earth. The eight most abundant elements in the Earth's crust are Oxygen (O), Silicon (Si), Aluminum (Al), Calcium (Ca), Iron (Fe), Magnesium (Mg), Sodium (Na) and Potassium (K). Carbon is not among these eight elements that make up

98 \%

of the rocks and minerals we see around us.

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