Question

The most abundant metal in the earth's crust is :

• A. Iron
• B. Nickel
• C. Aluminum
• D. Sodium

Answer 1

The correct option is C

Aluminum

The explanation for the correct option:

C. Aluminum

Metals:

• A metal is a class of substance that has high electrical/thermal conductivity.
• Metals are usually malleable as well as ductile in nature.
• Metals have a generally shiny appearance.

The metal. that is present in abundance in Earth's crust is Aluminium with a percentage of about $8.9\%$. Aluminium is a silvery-white as well as a lightweight metal. It is a very good conductor of electricity and heat.

The explanation for incorrect options:

A. Iron is present in Erath's crust with a percentage of $5\%$.

B. The percentage of Nickel is about $0.007\%$ in Earth's crust.

D. The percentage of Sodium is about $2.36\%$in Earth's crust.

Hence, the correct option is C i.e. Aluminium.