Chem – Chapter 5: Energetics

SSC-I (9th) · Chemistry · Afaq Sun

Test your understanding of Energetics with 22 syllabus-aligned MCQs designed for SSC-I (9th) Afaq Sun students.

Use this short practice session to revise key concepts, identify weak areas, and prepare for your board examination.

Sample Questions

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Chapter 5: Energetics System and Surroundings: System; Surroundings; Open, closed and isolated systems; Heat exchange | Enthalpy: Heat content; Enthalpy change (delta H); Standard enthalpy changes; Measurement by calorimeter | Exothermic and Endothermic Reactions: Exothermic reactions; Endothermic reactions; Sign of delta H; Energy level diagrams; Bond breaking and bond making | How does a Reaction Take Place?: Collision theory; Activation energy; Transition state; Effect of a catalyst; Factors affecting rate | Aerobic and Anaerobic Respiration: Aerobic respiration equation; Anaerobic respiration in yeast and muscles; Energy released; Glycolysis

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SSC-I (9th) Chemistry Afaq Sun Series Chapter 5: Energetics

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