Why Does Adding a Small Amount of Water to a Substance

question 8

Multiple Choice

Why does adding a small amount of water to a substance increase its cohesion but adding a lot of water decrease its cohesion?

• A)A small amount of water decreases surface tension,allowing the grains to bond together,whereas too much water will increase surface tension and force the grains away from each other.
• B)A small amount of water increases surface tension and holds the grain together.Too much water between the grains will eliminate surface tension.
• C)Water has a small electrostatic force that disrupts the gravitational attraction of the grains and forces them to move away from each other.
• D)A small amount of water will precipitate cement into the pores of the material,whereas too much water will not allow that cement to form.

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