Which method of supersaturation does not have any equipment for crystallization? O a. Supersaturation by increasing temperature O b. Supersaturation by adding chemicals O c. Supersaturation by adiabatic process o d. Supersaturation by reducing temperature

Which of the following statements about recrystallisation of metals are true? Select one or more: a. Recrystallisation leads to an enhanced plastic deformability b. Cold working can change the recrystallisation temperature C. It leads to the formation of cold-worked grains with high dislocation density d. It leads to the formation of new grains with no or few dislocations The recrystallisation temperature is equal to the melting temperature Recrystallisation leads to an increase in yield strength e. f.

What is the difference between homogeneous and heterogeneous azeotropic distillation?

What is called a fixed phase and mobile phase in chromatography? Does every type of chromatography have the two previous phases? List 4 types of fixed phase that are commonly used in chromatography.