Question 1
The combustion of hydrocarbon fuels is
a.endothermic.
b.exothermic.
c.isothermic.
d.protothermic.
Question 2
The products of the complete combustion of the hydrocarbon methane are
a.carbon monoxide and water.
b.carbon dioxide and water.
c.carbon monoxide and hydrogen.
d.carbon dioxide and hydrogen.
Question 3
The products of the complete combustion of the fossil fuel coal are
a.carbon monoxide and water.
b.carbon dioxide and water.
c.carbon monoxide and hydrogen.
d.carbon dioxide and hydrogen.
Question 4
A combustion reaction will always involve the release of
a.sound.
b.heat.
c.oxygen gas.
d.steam.
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