Subsection 11.3. Fuels for Chemistry, O Level - revisedeck

11.3. Fuels

A subsection of Chemistry, 5070, through 11. Organic chemistry

Listing 10 of 85 questions

The table shows the energy released by the complete combustion of some compounds used as fuels. compound formula Mr ∆H in kJ / mol benzene C6H6 –3270 heptane C7H16 –4800 octane C8H18 –5510 propane C3H8 –2200 Which fuel releases the least energy when 1 g of the compound is completely burned?

5070_s14_qp_12

MCQ

2014

Paper 1, Variant 2

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Which compound is a constituent of petroleum (crude oil)?

5070_s18_qp_11

MCQ

2018

Paper 1, Variant 1

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Natural gas is used as a source of energy. What is the main compound in natural gas?

5070_s21_qp_12

MCQ

2021

Paper 1, Variant 2

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Which gases are used in light bulbs?

5070_s22_qp_11

MCQ

2022

Paper 1, Variant 1

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Natural gas, petroleum and diesel are all used as energy sources. Which gas is not produced when these sources are burned?

5070_w09_qp_1

MCQ

2009

Paper 1, Variant 0

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Which gas burns in air to form a single product?

5070_s07_qp_1

MCQ

2007

Paper 1, Variant 0

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Which gas burns in air to form only one product?

5070_s10_qp_11

MCQ

2010

Paper 1, Variant 1

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Which gas burns in air to form only one product?

5070_s10_qp_12

MCQ

2010

Paper 1, Variant 2

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Which gas is not obtained industrially by fractional distillation?

5070_s12_qp_12

MCQ

2012

Paper 1, Variant 2

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Which statement is not correct?

5070_s14_qp_11

MCQ

2014

Paper 1, Variant 1

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Questions Discovered

85