Pellets of calcium chloride are spread on a sidewalk covered in water that is 36°C. Under which circumstance will the calcium chloride dissolve faster?Sand is sprinkled on the sidewalk.The water cools to a temperature of 33°C.People walking on the sidewalk crush the calcium chloride pellets. The air pressure increases as the weather changes.
Answer
A
Sand is sprinkled on the sidewalk.
B
The water cools to a temperature of 33°C.
C
People walking on the sidewalk crush the calcium chloride pellets.
D
The air pressure increases as the weather changes.