4. Mary Jane was asked by her teacher to investigate on how fast coffee granules
dissolve in cold and in hot water. Which variablels is being measured by Mary
Jane?
A. I and II B. II and III C. III and IV D. I and IV
5. All of the following affects the solubility of a solid in liquid EXCEPT
A. Pressure B. Stirring C. Container D. Temperature
6. Which of the following is NOT a solution?
A. Sugar dissolved in water
C. Mayonnaise
B. Oxygen dissolved in water
D. Sand and water​