Which property of soft iron makes it useful for preparing electromagnet?

Soft iron is used for making electromagnet because it

GaAs is used to prepare

Give two essential characteristics of material used for preparing an electromagnet

Which properties of solvents are useful for solvent extraction?

Water is indispensable for life.What properties of water make it useful for all biological processes on the earth?

What are the constituents of stainless stell alloy ? Which property of stainless steel makes it suitable for household utensils ?

The material suitable for making electromagnets should have

What are alloys ? Explain with suitable examples properties of alloys which make them useful over pure metals .