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For Energy transfer during exothermic and endothermic reactions, which answer best supports this AQA GCSE Chemistry Unit 4.5 objective: Describe everyday uses of exothermic reactions, including self-heating cans and hand warmers?

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practice

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Topic

Exothermic and endothermic reactions

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For Energy transfer during exothermic and endothermic reactions, which answer best supports this AQA GCSE Chemistry Unit 4.5 objective: Describe everyday uses of exothermic reactions, including self-heating cans and hand warmers?.

  1. A.exothermic reaction: correct Unit 4.5 answer for Energy transfer during exothermic and endothermic reactions
  2. B.Incorrect: confuses exothermic reaction with a nearby Energy changes idea
  3. C.Incorrect: gives a general chemistry statement without linking to Energy transfer during exothermic and endothermic reactions
  4. D.Incorrect: reverses the energy-change relationship in Exothermic and endothermic reactions

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