There is two of these questions
Answer:
the process of turning from liquid into vapour.
Glucose and Oxygen
Hope this helped you out
chlorobenzene
Carbon - 6
Hydrogen - 5
Chlorine - 1
that 1 chlorine replaces one of the hydrogens
thats why hydrogen number decreases by number of Cl atoms (that are substituting those H atoms)
C. Mouth. is the answer to your question.