RRB Technician 2013 Ques 58
Question: The most abundant metal in the earth’s crust is
Options:
A) zinc
B) copper
C) aluminium
D) iron
Show Answer
Answer:
Correct Answer: C
Solution:
- Crust is the outermost solid layer of the Earth. The most abundant metal in the Earth crust is Aluminium which accounts for 8.1% of its weight. Other elements in abundance in Earth crust are Oxygen and Silicon which accounts for 46% and 28% of its mass.
BETA
