54. Purity of a metal can be determined with the help of A.Pascal's law B.Boyle's law C.Archimedes principle D.Conservation of mass principle
Option C Solution: Purity of a metal can be determined with the help of Archimedes Principle which makes use of the densities and buoyancy of metals. Finding the density of a metal sample can help to determine its purity. It is most commonly used in the checking the purity of gold.
