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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Air quality and climate

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3

Paper

1

Marks

Topic

Air quality and climate

Exam-style question

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Paper 3Theory (Core)1 marks

Photosynthesis is a vital process for life on Earth.

Description

Photosynthesis Overview

Photosynthesis converts light energy into chemical energy stored in glucose, using carbon dioxide and water as raw materials.

  1. a

    State the two main products of photosynthesis.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Air quality and climate

Paper 3Theory (Core)3 marks

Description

Chlorophyll Function

Chlorophyll absorbs light energy, which is essential for the photosynthesis process.

  1. a

    Describe the role of chlorophyll in photosynthesis.

    Aim for approximately 3 distinct marking points.

    [3]