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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Properties of metals

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Properties of metals

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Paper 3Theory (Core)3 marks

Reactions of metals with acids and water are important in understanding their chemical properties.

Description

Reactions of Metals

Consider the reactions of metals with dilute acids and water. Metals like sodium and potassium react vigorously with cold water, while magnesium reacts with steam.

  1. a

    Explain the reactions of metals with dilute acids and cold water.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: Properties of metals

Paper 3Theory (Core)2 marks

Description

Metal Reactivity

Different metals react differently with acids and water. For example, sodium reacts with cold water, while magnesium reacts with steam.

  1. a

    Describe the reaction of sodium with water.

    Aim for approximately 2 distinct marking points.

    [2]