Question

The diagram below shows the relationship between the physical state of matter .study it and answer the questions that follows.

1. Identify the processes R,V,W and U.
2. Name two substances which under the process represented by S and T

Answer 1

1. Identify the processes R,V,W and U. 
   • R- Melting
   • V- Evaporation
   • U- Freezing
   • W- Condensation
      
2. Name two substances which under the process represented by S and T.
   • Aluminium chloride
   • Benzoic acid
   • Iron(iii) chloride
   • Solid Carbon(iv) oxide