Consider the following statements about coal seam gas and petroleum gas - VCE - SSCE Chemistry - Question 9 - 2023 - Paper 1
Question 9
Consider the following statements about coal seam gas and petroleum gas.
I. Coal seam gas and petroleum gas are both mixtures.
II. Coal seam gas and petroleum gas ... show full transcript
Worked Solution & Example Answer:Consider the following statements about coal seam gas and petroleum gas - VCE - SSCE Chemistry - Question 9 - 2023 - Paper 1
Step 1
I. Coal seam gas and petroleum gas are both mixtures.
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Answer
This statement is correct. Both coal seam gas and petroleum gas are indeed mixtures, comprising various hydrocarbons and other gases.
Step 2
II. Coal seam gas and petroleum gas both combust to produce carbon dioxide.
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Answer
This statement is also correct. The combustion of both gases involves a reaction with oxygen, resulting in the production of carbon dioxide and water.
Step 3
III. Coal seam gas and petroleum gas are both fossil fuels.
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Answer
This statement is correct as well. Both types of gas are classified as fossil fuels, derived from the decomposition of ancient organic matter.
Step 4
Conclusion
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Answer
Since all statements (I, II, and III) have been verified as correct, the answer is D. I, II and III.
