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SAT® Subject Test in Chemistry

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Moderate

Identify Combustion

SATCHM-IEKVUT

Which selection is an example of a combustion reaction?

A

$2K + F_2→ 2KF$

B

$2Al + 6HCl → 2AlCl_3+ 3H_2$

C

$C_3H_8+ 5O_2→ 3CO_2+ 4H_2O$

D

$NaCl + AgNO_3→ AgCl + NaNO_3$

E

$2NaHCO_3→ Na_2CO_3+ H_2O + CO_2$