C4

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JVWOWJDWRQZZDXPGGEMF DORCFYYIOEAEZBMNAMQC FZXUWQELKXAUUELGPSLD GOUIHDISPALCEMENTXRL QQHPDVLRWRICTPOVFVUM BWIEXAYQADETJAKVHQOX PMXCCFTIKAFGCUNPFZLN ELUVIBAIPITXJDETGSOF NGMEMMIBOOOOIYXGSMCO PMXVPIKAVNDJMQYMZDSZ UDINWPWKRPZXZSDYSHNY SELRMPFNKYCOMBUSTION ITERIVIQWXSGMSKOWJIS AZEKBQKPCTKKHTELBATC DECOMPOSITIONCYCJXAN IVSPZHSBQDLHUUOWUAUV PSYOXCHCOCSQRDEJJGQO LERLDCCXMTMHKODDJMEZ VNFTLUCAGATEXRBBCBBC CATALYSTFDCEVPEMRTYN
1.
atoms
2.
colour
3.
gas
4.
equations
5.
products
6.
reactants
7.
oxidation
8.
combustion
9.
ate
10.
decomposition
11.
dispalcement
12.
catalyst