Interpretation: To give the reason behind the formation of potholes.
Concept Introduction: The holes that occur in the roadway are known as potholes. They are caused due to the contraction or expansion of groundwater after the water entered the ground.
Answer to Problem 93A
The water enters the pavement and expands when it freezes, creating larger cracks.
Explanation of Solution
Under the pavement, when the water gets into the ground, it can either freeze or it will take up more space under the pavement due to this, the pavement will expand or contract which makes the material of the pavement weak and causes the pavement to break, and leads to the formation of potholes.
The water enters the pavement and expands when it freezes, creating larger cracks.
Chapter 15 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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