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Cambridge Olevel Chemistry revision notes
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Lesson-6.1.2- Interpret energy level diagrams showing exothermic and endothermic reactions.
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Lesson-6.1.3- Describe the release of heat energy by burning fuels ??? State the use of hydrogen as a fuel.
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Lesson-6.1.1- Describe the meaning of exothermic and endothermic reactions.
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