Physics GK 13 - Viscosity

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1.
Which among the following is the SI physical unit of dynamic viscosity?
2.
What is the SI unit of viscosity?
3.
Which of these fluids has the highest viscosity?
4.
What happens to the viscosity of a liquid with increase in temperature?
5.
What do we call the maximum velocity of a fluid in a tube for which the flow remains streamlined?