What reactant must be present for a reaction to be classified as combustion?
Cl2
O2
CO
CH4
A
CH4
B
O2
C
CO
D
Cl2
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Solution
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Three things are required in proper combination before ignition and combustion can take place---heat, oxygen, and fuel. oxygen helps as an oxidizer in the oxidizing hydrocarbons to form CO2,H2O and heat.
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