Q. 26 C3.9( 9 Votes )
Explain the following with suitable examples:
Substances which are slightly attracted in magnetic field and in which domains are grouped in parallel and anti – parallel direction but in unequal number, are called ferromagnetic substances and this property is called as ferromagnetism.
For example, magnetite (Fe3O4), ferrite (MgFe2O4), ZnFe2O4, etc.
Rate this question :
Note : In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.Chemistry - Exemplar
Why does electrical conductivity of semiconductors increase with the rise in temperature?Chemistry - Exemplar
To get a n-type semiconductor from silicon, it should be doped with a substance with valence__________.Chemistry - Exemplar
Which of the following statements are true about metals?Chemistry - Exemplar
Match the items given in Column I with the items given in Column II.