Which material is described as extremely viscous and slippery?

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Multiple Choice

Which material is described as extremely viscous and slippery?

Explanation:
Polymers are long-chain molecules that, when dissolved or melted, create fluids with very high resistance to flow because the chains become entangled and resist shearing. At the same time, these chains can form a lubricating layer at surfaces, which reduces friction and makes the liquid feel slippery. That combination—extremely high viscosity plus slipperiness—fits polymers best. Asphalt is viscous and sticky but not typically slippery; slurry is a suspension that can be viscous but doesn’t inherently provide a slippery film; sand is granular and does not behave as a viscous, slippery liquid.

Polymers are long-chain molecules that, when dissolved or melted, create fluids with very high resistance to flow because the chains become entangled and resist shearing. At the same time, these chains can form a lubricating layer at surfaces, which reduces friction and makes the liquid feel slippery. That combination—extremely high viscosity plus slipperiness—fits polymers best. Asphalt is viscous and sticky but not typically slippery; slurry is a suspension that can be viscous but doesn’t inherently provide a slippery film; sand is granular and does not behave as a viscous, slippery liquid.

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