1.

Whichof thefollowingis notan "element+ element tocompound" typereaction?

Answer»

`C_((S)) +O_(2(g))toC_(2(g))`
`2K_((s))+Br_(2(L)) to2KBr _((s))`
`2CO_((g))+O_(2(g)) to2CO_(2(g))`
`4Fe_((s)) +3O_(2(g))to 2Fe_(2)O_(3(s))`

Answer :C


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