7. Which of these is a pure substance?
A. bread
B. garden soil
C. table salt
D. sea water
8. What is the simplest form that cannot be broken down to anything simpler?
A. element
B. comfound
C. sulotion
D. colloids
9. Which of the following is homogenous mixture?
A. oil and water
B. sand and water
C. halo-halo
D. air
10. When a solution cannot dissolve more solute, it is called
A. saturated
B. supersaturated
C. unsaturated
D. solvent ​