Give any two points of difference between diamagnetic and ferromagnetic substances.

What are ferromagnetic substances?

What is a ferromagnetic substance?

Distinguish between diamagnetic and para-magnetic substance.

State any four points of difference between diamond and graphite ,

Distinguish between : phylum Platyhelminthes and Phylum Aschelminthes. OR Write any two points of differences between flat worms and round worms.

State any one point of difference between a real and virtual image.

Write two properties of ferromagnetic substances .

State the properties of ferromagnetic substances .

Mention any four points of differences between lanthanides and actionids

Write any two properties for diamagnetic and paramagnetic substances.