Non-Colloidal Liquids:
Non-colloidal liquids are those liquids that do not contain any suspended particles or molecules that are large enough to scatter light. They are homogeneous and appear transparent. Examples of non-colloidal liquids are water, ethanol, and mineral oil.

Ideal Fluid:
An ideal fluid is a theoretical concept that assumes that a fluid has zero viscosity, does not experience turbulence, and is incompressible. Non-colloidal liquids, such as water and ethanol, can be considered ideal fluids under certain conditions.

Newtonian Fluid:
A Newtonian fluid is a type of non-colloidal liquid that exhibits a linear relationship between the applied shear stress and the resulting strain rate. In other words, the viscosity of the fluid remains constant regardless of the shear stress applied to it. Water and ethanol are examples of Newtonian fluids.

Plastic Fluid:
A plastic fluid is a type of non-colloidal liquid that exhibits a yield stress, meaning that it requires a certain amount of stress to be applied before it begins to flow. Once the yield stress is exceeded, the fluid flows like a Newtonian fluid. Examples of plastic fluids include toothpaste and peanut butter.

Dilatant Fluid:
A dilatant fluid is a type of non-colloidal liquid that exhibits an increase in viscosity as the shear rate increases. In other words, the more stress applied to the fluid, the thicker it becomes. Cornstarch mixed with water is a common example of a dilatant fluid.

In conclusion, non-colloidal liquids can exhibit different properties depending on their viscosity and response to applied stress. Water and ethanol are examples of ideal and Newtonian fluids, while toothpaste and cornstarch mixed with water are examples of plastic and dilatant fluids, respectively.

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