Subsection 5.1. Exothermic and endothermic reactions for Chemistry, IGCSE - revisedeck

5.1. Exothermic and endothermic reactions

A subsection of Chemistry, 0620, through 5. Chemical energetics

Listing 10 of 192 questions

Ethene gas, C2H4, is completely burned in excess oxygen to form carbon dioxide and water. The equation for this exothermic reaction is shown...

0620_s20_qp_23

MCQ

2020

Paper 2, Variant 3

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Heat energy transfer during chemical reactions can be described using energy level diagrams. In which row is the description correct?

0620_s21_qp_13

MCQ

2021

Paper 1, Variant 3

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The equations for two reactions are shown...

0620_s21_qp_13

MCQ

2021

Paper 1, Variant 3

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The equation for the reaction when hydrogen is used as a fuel is shown...

0620_s22_qp_11

MCQ

2022

Paper 1, Variant 1

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The equation for the reaction between gaseous hydrogen and gaseous iodine to form gaseous hydrogen iodide is shown...

0620_s22_qp_21

MCQ

2022

Paper 2, Variant 1

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A reaction pathway diagram is shown...

0620_s23_qp_11

MCQ

2023

Paper 1, Variant 1

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Which reaction in the blast furnace releases heat energy?

0620_s23_qp_12

MCQ

2023

Paper 1, Variant 2

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Which statement describes an exothermic reaction?

0620_s23_qp_13

MCQ

2023

Paper 1, Variant 3

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Ethene gas, C2H4, is completely burned in excess oxygen to form carbon dioxide and water. The equation for this exothermic reaction is shown...

0620_s23_qp_21

MCQ

2023

Paper 2, Variant 1

View

Which row describes what happens during an endothermic reaction?

0620_s24_qp_11

MCQ

2024

Paper 1, Variant 1

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Questions Discovered

192