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The d & f Block Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
MCQ
Which of the following is ferromagnetic.
  • A
    Cu, Ag, Au
  • B
    Fe, Co, Ni
  • C
    Zn, Cd, Hg
  • D
    Ca, Sr, Ba
✓

Answer

  1. Fe, Co, Ni

Explanation:

Ferromagnetic substances are those which get strongly magnetized in the presence of a magnetic field.

These substances have domains that get aligned in the magnetic field, thus increasing their strength.

These are strongly attracted by a magnet.

Examples include iron, cobalt, nickel, etc.

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