Q. What percent of Carbon is present in the earth's crust?
Answer: 0.18%
Notes: Carbon is the 15th most abundant element in the earth's crust with a percentage of 0.18%. Oxygen is the most abundant element at 46%, followed by silicon at 27% and aluminum at 8.1.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 15 in Chemistry-14-Organic Chemistry Basics in above course in App.