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Cambridge IGCSE Chemistry practice

What is the role of dissolved oxygen in water?

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MCQ

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Water

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What is the role of dissolved oxygen in water?.

  1. A.It provides nutrients to plants
  2. B.It is essential for aquatic life
  3. C.It increases water temperature
  4. D.It removes pollutants from water

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Description

Dissolved Substances in Water

Water contains various dissolved substances that can be beneficial or harmful to aquatic life. Dissolved oxygen is essential for fish, while certain minerals from metal compounds are necessary for health.

  1. a

    State one beneficial substance found in water and its importance.

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