Combustion 7 Question Preview (ID: 51048)
Chemistry Combustion.
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Combustion is:
a) A chemical change.
b) An exothermic reaction.
c) Energy producer.
d) All of the choices.
The two types of combustion are:
a) Exothermic and endothermic
b) Physical change and chemical change.
c) Complete and incomplete.
d) None of the choices
The energy released from exothermic reactions may be:
a) Light.
b) Electrical energy.
c) Heat or thermal energy
d) All of the choices.
Carbon monoxide is:
a) The silent killer.
b) Healthy
c) Natural Gas.
d) Liquid
Incomplete combustion is:
a) Endothermic.
b) Exothermic
c) A reaction with enough oxygen.
d) A reaction with carbon dioxide.
Butane gas is a combustible material found in:
a) Liquified gas.
b) Liquid
c) Solid.
d) None of the choices.
Carbon dioxide and carbon monoxide are:
a) Two combustible materials
b) Two combusting agents.
c) Two air pollutants.
d) None of the choices
Carbon monoxide is:
a) Colorless.
b) Odorless.
c) Tasteless.
d) All of the choices.
The complete combustion of a hydrocarbon produces:
a) Carbon monoxide, water vapor and energy.
b) Carbon dioxide, water vapor and energy.
c) Oxygen, water vapor and energy.
d) Carbon dioxide, oxygen and energy.
Wood and charcoal are:
a) Two combustible materials
b) Two combusting agents.
c) Two air pollutants.
d) None of the choices
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