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Which of the following is not a ferromagnetic substance
Options
(a) Cobalt
(b) Nickel
(c) Manganese
(d) Iron
Correct Answer:
Manganese
Explanation:
Fe, Co, Ni are ferromagnetic subtances since they show permanent magnetism even in the absence of magnetic field. Mn is paramagnetic as its magnetism is lost in the absence of magnetic field.
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Topics: Solid State and Solutions
(91)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For an endothermic reaction, energy of activation is Ea and enthalpy of reaction
- In preparation of alkene from alcohol using Al₂O₃ which is an effective factor
- The most stable conformation of n-butane is
- During change of O₂ to O₂⁻ ion, the electron adds on which one of the following
- The cell used for the electrolysis of fused NaCl is
Topics: Solid State and Solutions (91)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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