CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

Which of the following magnetic ore was once used as a primitive compass?


  1. Lodestone

  2. Hematite

  3. magnetite

  4. None of these  


Solution

The correct option is C

magnetite


Magnetite(soft iron) is one of the main iron ores, with the chemical formula Fe3O4. It is used to make artificial magnets. It is one of the oxides of iron. It is attracted to a magnet and can be magnetized to become a permanent magnet itself. It was once used as a primitive compass.

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
QuestionImage
QuestionImage
View More...



footer-image