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A combustible material is any substance that has the ability to burn. Indicate which of the following is not a combustible material.
The quantity of oxygen decreases with time.
Propane + oxygen gas ----> carbon dioxide + water vapor.
Carbon dioxide and water vapor.
Sand
flame.
Oxygen gas.
All the suggested answers.
burn.
Combustion reactions are major sources of energy. The energy released in combustion reactions is used for many purposes like:
The quantity of oxygen decreases with time.
Propane + oxygen gas ----> carbon dioxide + water vapor.
Carbon dioxide and water vapor.
Sand
flame.
Oxygen gas.
All the suggested answers.
burn.
Combustion can occur without
The quantity of oxygen decreases with time.
Propane + oxygen gas ----> carbon dioxide + water vapor.
Carbon dioxide and water vapor.
Sand
flame.
Oxygen gas.
All the suggested answers.
burn.
Propane burns with oxygen gas in the air to produce carbon dioxide and water vapor. The word equation for complete combustion can be written as:
The quantity of oxygen decreases with time.
Propane + oxygen gas ----> carbon dioxide + water vapor.
Carbon dioxide and water vapor.
Sand
flame.
Oxygen gas.
All the suggested answers.
burn.
The kindling temperature is the temperature at which a combustible material starts to:
The quantity of oxygen decreases with time.
Propane + oxygen gas ----> carbon dioxide + water vapor.
Carbon dioxide and water vapor.
Sand
flame.
Oxygen gas.
All the suggested answers.
burn.
Any combustion needs the presence of
The quantity of oxygen decreases with time.
Propane + oxygen gas ----> carbon dioxide + water vapor.
Carbon dioxide and water vapor.
Sand
flame.
Oxygen gas.
All the suggested answers.
burn.
The products of a combustion reaction differ whether the reaction is complete or incomplete. The products of a complete combustion reaction are:
The quantity of oxygen decreases with time.
Propane + oxygen gas ----> carbon dioxide + water vapor.
Carbon dioxide and water vapor.
Sand
flame.
Oxygen gas.
All the suggested answers.
burn.
How does the quantity of oxygen vary during combustion?
The quantity of oxygen decreases with time.
Propane + oxygen gas ----> carbon dioxide + water vapor.
Carbon dioxide and water vapor.
Sand
flame.
Oxygen gas.
All the suggested answers.
burn.
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