The ability of a substances to assume two or more crystalline structures is called
Question 2
The ability of an substance to resist any deformation or the ability to undergo damage when pressure is applied is defined as the hardness or softness of that substance.
(a) A substance which is very hard is used in jewellery. Identify substance.
(b) Which substance is harder: steel pipe or wooden piece?
Phenomenon of existence of two or more substances having the same molecular formulae but different structural or special arrangements is: