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- Multiple ChoicePlease save your changes before editing any questions.
What is NOT product of complete combustion?
carbon dioxide
water
carbon monoxide
water
- Multiple ChoicePlease save your changes before editing any questions.
If a flame is giving off smoke, this type of combustion is occurring...
Complete combustion
Incomplete combustion
- Multiple ChoicePlease save your changes before editing any questions.
This type of combustion occurs when there is a limited supply of oxygen
Complete Combustion
Incomplete Combustion
- Multiple ChoicePlease save your changes before editing any questions.Another term for burning isFire triangleMagnesium oxideCombustionBustion
- Multiple ChoicePlease save your changes before editing any questions.
Hydrocarbon fuel + oxygen ----> ___+____
(Select 2)
CO2
O2
H2O
CxHy
- Multiple ChoicePlease save your changes before editing any questions.Write a Balanced Equation for this reaction:
C2H4 + 2 O2 -->C2O2 + H4CO2 + HOHCO + H2 CO2 + 2H2O - Multiple ChoicePlease save your changes before editing any questions.
The product(s) of complete combustion of any hydrocarbon is/are _________________.
I. water
II. carbon dioxide
III. carbon monoxide
I
III
I and II
I and III
- Multiple ChoicePlease save your changes before editing any questions.
Incomplete combustion is harmful to humans because it ___________________.
increases the level of sugar in the blood
produces large amounts of carbon dioxide
decreases the amount of sugar in the blood
produces carbon monoxide that reduces the level of oxygen in the blood
- Multiple ChoicePlease save your changes before editing any questions.Water is not used to control fires involving electrical appliances.FalseTrue
- Multiple ChoicePlease save your changes before editing any questions.Which is not combustible substanceWoodCow dung cakestonepaper
- Multiple ChoicePlease save your changes before editing any questions.The condition which are required for combustion to take place are:fuelignition temperatureoxygenall of these
- Multiple ChoicePlease save your changes before editing any questions.Is combustion a reversible reaction?Yes.No.
- Multiple ChoicePlease save your changes before editing any questions.A good fuel burns neither too fast nor too slowly.TrueFalse
- Multiple ChoicePlease save your changes before editing any questions.Which of these is NOT an essential part of fire.Fuel.Friction.Heat.Oxygen.
- Multiple ChoicePlease save your changes before editing any questions.
Which one of the following is not a fossil fuel?
Wood
Coal
Petrol
Natural Gas
- Multiple ChoicePlease save your changes before editing any questions.
Why do we burn a fuel?
To have fun
To release energy
To lose energy
To produce carbon dioxide
- Multiple ChoicePlease save your changes before editing any questions.
What does this hazard symbol warn of?
The substance is explosive
The substance burns easily
The substance supplies oxygen to fires
The substance puts out fires
- Multiple ChoicePlease save your changes before editing any questions.
Why should you not add water on burning oil?
It makes the fire explode and spread
It puts the fire out too quickly
Water does not put out fires
It takes too long to put out the fire