7. What is an example of camphor in N2 gas? a) Solid in gas solution b) Gas in gas solution c) Solid in liquid solution d) Liquid in gas solution
Answer: a Explanation: Solid in gaseous solution is an example of camphor in N2 gas. Gaseous solution refers to a solution in which the solvent is gaseous. Other gaseous solutions include air (O2 + N2), iodine vapors in air, humidity in air, and so on.
