Question

Q. Core of the earth is made up of which of the following mineral

• A. Iron
• B. Nickel
• C. Both (a) and (b)
• D. Neither (a) nor (b)

Answer 1

The correct option is C Both (a) and (b)

Explanation:

• The core of the earth is made almost entirely of metals—specifically, iron and nickel. The shorthand used for the core's iron-nickel alloys is simply the elements' chemical symbols—NiFe. Elements that dissolve in iron, called siderophiles, are also found in the core.