Which physical state of matter is the least compressible?
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Solution
Compressibility is the measure of how much a given volume changes instantaneously when placed under pressure. The least compressible state of matter is solid because-
Solids have definite shape and definite volume as the particles are densely packed due to the intermolecular spaces between them.
As there is little space between the molecules or atoms they are not easily compressed.
Hence, solids are rigid and cannot be shaped and cannot be compressed they are incompressible
On the other hand, the liquid is compressible a bit due to its loosely packed structure while gases are highly compressible due to their loosely packed structure.