10. Which of the following is the correct answer? a) Blood b) Starch solution c) Salt solution d) Ink
Answer: c Explanation: A true solution is a homogenous mixture of two or more components dissolved in a solvent with a particle size of less than 10-9 m or 1 nm. Colloidal solutions include ink, blood, and starch solutions. A true solution is a simple solution of salt in water.
