The table shows the data recorded in an experiment after each sample was mixed with water.

Question

Sample Observations
Sample W layer of sample A floated on top of the water
Sample X layer of sample B sank to the bottom of the water
Sample Y no visible layer of sample C when mixed with water
Sample Z layer of sample D hovered in the middle of the water
Which statement best describes an appropriate conclusion that can be made based on the observations?
A.
Sample Y is soluble in water.

B.
Sample X is soluble in water.

C.
Sample Z is soluble in water.

D.
Sample W is soluble in water.

Answer 1

C. Sample Z is soluble in water.