Practice What Is Combustion? (4.1) - COMBUSTION AND FLAME

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9 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the definition of combustion?
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Think about what happens when a candle burns.
Question 2.
Name one condition necessary for combustion to occur.
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Consider the Fire Triangle.
3Question 3.
What is combustion?
- A chemical process without heat
- A chemical process involving oxygen
- Neither of the above
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Look for keywords in the definition.
4Question 4.
True or False: Spontaneous combustion occurs only with an external ignition source.
- True
- False
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Think about natural fires.
Question 5.
A candle burns steadily. Explain what happens if you cover it with a glass jar. Discuss the role of oxygen in your explanation.
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Think about the three necessary elements for combustion.
Question 6.
You are tasked with suggesting a cleaner fuel for a local community. List and explain three benefits of switching to this alternative fuel.
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Consider environmental protection and efficiency in your response.

5 more questions in this section. Enroll free to practise them all.