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Cambridge IGCSE Combined Science practice

Which of the following correctly describes a decomposition reaction in a word equation?

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cambridge_mcq

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Topic

Formulas

Exam-style question

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Which of the following correctly describes a decomposition reaction in a word equation?.

  1. A.A + B → C
  2. B.C → A + B
  3. C.A + B → A
  4. D.A → B + C

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Paper 3 structured question: Formulas

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Description

Word Equation Example

Consider the reaction between magnesium and oxygen to form magnesium oxide.

  1. a

    State the word equation for the reaction of magnesium and oxygen.

    Aim for approximately 1 distinct marking point.

    [1]