Ethyl alcohol is the least viscous fluid that you could (A) acquire a large enough quantity to swim in, and (B) not die from dipping your body into it.

What liquid is less viscous than water?

All forms of monohydric alcohols have viscosity less than that of water. But few are poisonous, for eg, methanol. So,one liquid that will suit your needs is a dilute solution of ethanol. Even xylenol(Dettol) is a good one.

Which is not viscous liquid?

The fluid that has more flow resistance is referred to as viscous fluid. Viscosity is a fluid factor, that is the degree of the amount of resistance between the fluid layers. Non-viscous fluids are classified as fluids that have no resistance or negligible resistance to internal friction.

What is the thinnest liquid?

Thanks to the “super material” graphene, a team of researchers managed to create one of the world’s thinnest layers of liquid. There’s now a new understanding of the word “wet” thanks to physicists who created the thinnest film of liquid ever.

What are examples of low viscosity?

Water, gasoline, and other liquids that flow freely have a low viscosity. Honey, syrup, motor oil, and other liquids that do not flow freely, like those shown in Figure 1, have higher viscosities.

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