Understanding Candle Combustion
Interactive Video
•
Chemistry, Science
•
6th - 10th Grade
•
Practice Problem
•
Hard
Sophia Harris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two main components of a candle?
Hydrogen and carbon
Oxygen and carbon dioxide
Flame and smoke
Wick and wax
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of hydrocarbons are found in paraffin wax?
Gaseous hydrocarbons
Liquid hydrocarbons
Short-chain hydrocarbons
Long-chain hydrocarbons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are waxes solid at room temperature?
They have short hydrocarbon chains
They are made of gases
Their long hydrocarbon chains are tangled
They contain a lot of water
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the wax when a candle is lit?
It becomes a liquid and stays in the wick
It vaporizes into gas
It evaporates completely
It turns into a solid
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reaction occurring in a burning candle?
Photosynthesis
Evaporation
Condensation
Combustion
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can a candle be relit without the flame touching the wick?
By holding a flame above the wick
By adding more wax
By using a special match
By blowing on the wick
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is soot primarily composed of?
Carbon
Hydrogen
Nitrogen
Oxygen
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