The set-up below was used to prepare dry carbon (II) Oxide gas. use it to answer the questions helow it
Combustion tube charcoal
COZ
CO gas
Heat
Water
KOH604)
(a) (i) State two mistakes committed in the setup arrangement above?​

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.

the awnser is group 12

the answer is c.the valence of the atoms combine .