Q. Which metal is most abundant in the earth's crust?

  • (A) Calcium
  • (B) Magnesium
  • (C) Aluminium
  • (D) Iron
βœ… Correct Answer: (C) Aluminium
Explanation: Aluminum is the most abundant metal in the earth's crust, but it is never found free in nature. All of the earth's aluminum has combined with other elements to form compounds. Two of the most common compounds are alum, such as potassium aluminum sulfate (KAl(SO4)2.
Explanation by: Brijesh Goswami
Aluminum is the most abundant metal in the earth's crust, but it is never found free in nature. All of the earth's aluminum has combined with other elements to form compounds. Two of the most common compounds are alum, such as potassium aluminum sulfate (KAl(SO4)2.

πŸ“ Notes by Other Students/ Teachers


πŸ“Š Question Analytics

πŸ‘οΈ
688
Total Visits
πŸ“½οΈ
5 y ago
Published
πŸŽ–οΈ
Brijesh Goswami
Publisher
πŸ“ˆ
84%
Success Rate