Home / Aptitude Tests / Chemistry / The most important e...

The most important element on the earth's crust is?

The most important element on the earth's crust is?

A.

Nitrogen

B.

Hydrogen

C.

Oxygen

D.

Fluorine

View answer & explanation

Correct answer is C

Oxygen, O2, is by far the most abundant element in earth's crust at 46.6 percent, nearly half of the mass of the crust.

See all Chemistry questions & answers
See more JAMB questions & answers
Similar Questions

Consider the following half-cell reactions. Al(s) \(\to\) Al3+(aq) + 3e- Cu2+(aq) + 2e- \(\to\) Cu...

Which of the following gases dissolves in water vapour to produce acid rain during rainfall? ...

Octane number is highest in petrol containing a high proportion of ...

Which of the following are chemical changes?  I. cooking of food II. digestion of food III...

When sugar is dissolved in tea, the reaction is always accomplished by ...

Which of the following materials is classified as a non-biodegradable pollutant? ...

Aluminium does not react with either dilute or concentrated trioxonitrate (V) acid because ...

If the solubility of KHCO3 is 0.40 mole dm-3 at room temperature , calculate the mass of KHCO3 in 10...

Indicate which of the following statements is not true as we move from left to right along the perio...

Use the graph above to answer this question. The structure of cis-2-butene is...

Aptitude Tests

Puzzles Questions and Answers

Quantitative Reasoning Questions and Answers

Data Interpretation Questions and Answers

Personality Test

Nigeria General Knowledge Questions and Answers

Typing Speed and Accuracy Test

Microsoft Office Questions and Answers

Logical Reasoning Questions and Answers

Verbal Reasoning Questions and Answers

Numerical Reasoning Questions and Answers

Situational Judgement Questions and Answers

Abstract Reasoning Questions and Answers

Spatial Reasoning Questions and Answers

See all →