1. Tardigrade
  2. Question
  3. Chemistry
  4. Consider the following statements, I. Oxygen is the most abundant of all the elements on earth. II. Abundance of sulphur in the earth's crust is only 0.03-0.1 % III. Traces of sulphur occur as hydrogen sulphide in volcanoes. IV. Organic materials such as eggs, proteins, garlic, onion, mustard, hair and wool contain sulphur. Which of the above mentioned statements are correct? Choose the most appropriate option.

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Q. Consider the following statements,
I. Oxygen is the most abundant of all the elements on earth.
II. Abundance of sulphur in the earth's crust is only $0.03-0.1 \%$
III. Traces of sulphur occur as hydrogen sulphide in volcanoes.
IV. Organic materials such as eggs, proteins, garlic, onion, mustard, hair and wool contain sulphur.
Which of the above mentioned statements are correct?
Choose the most appropriate option.

The p-Block Elements - Part2

Solution:

Oxygen is the most abundant element among all the elements on the earth. Oxygen forms about $46.6 \%$ by mass of earth's crust. Dry air contains $20.945 \%$ oxygen by volume.
The abundance of sulphur in the earth's crust is only $0.03-0.1 \%$. Traces of sulphur occur as hydrogen sulphide in volcanoes. Organic materials such as eggs, proteins, garlic, onion, mustard, hair and wool contain sulphur.