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  1. Which of the following liquids is most viscous?
    1. Oil
    2. Milk
    3. Water
    4. Petrol
Correct Option: A

Informally, viscosity is the quantity that describes a fluid’s resistance to flow. It is dependent on temperature. Viscosity of the different fluids (in cP) is as follows: Edible Oil: 20 to 60; Milk: approximately 1.0; Water: 0.894; and Petrol: around 0.82 to 0.95 cP.



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