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Which equation represents a combustion reaction? 2SO2 + O2 → 2SO3 Pb(NO3)2 + 2HCl → PbCl2 + 2HNO3 2C2H6 + 7O2 → 4CO2 + 6H2O Ca + 2HCl → CaCl2 + H2
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Which equation represents a combustion reaction?

2SO2 + O2 → 2SO3

Pb(NO3)2 + 2HCl → PbCl2 + 2HNO3

2C2H6 + 7O2 → 4CO2 + 6H2O

Ca + 2HCl → CaCl2 + H2

User Scott Bruns
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User Barry Last
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7 votes

Answer:

2SO2 + O2 => 2SO3

Step-by-step explanation:

Combustion reaction involves heating of a compound/element/substance in presences of oxygen.

User Yorkshireman
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