Q619
Which of the following elements is found in all organic compounds?
A.
Carbon
AnswerB.
Calcium
C.
Nitrogen
D.
Oxygen
Answer: Option A
Solution
Answer: Option A
Solution:
The most common elements present in organic compounds are carbon, hydrogen, oxygen, and nitrogen. With carbon and hydrogen present, other elements, such as phosphorous, sulfur, silicon, and the halogens, may exist in organic compounds.