Answers: MCQ Online Exercise 3_5A Enthalpy of Combustion

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 Open ended question
Chemistry Concepts [not exhaustive]
  • Also removes glucose present in food which will alter flavour/ make less palatable
  • Also removes water from food which will dehydrate food/ make less palatable
  • Hydrogen peroxide will decompose slowly releasing oxygen [and water]
  • Observation that hydrogen peroxide decomposition occurs in light/ distinguish storage conditions
 Chemistry Skills
 Appropriate balanced chemical equations for decomposition of hydrogen peroxide
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