January 2023

The oxidation process

By |2022-09-15T12:39:36+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

ZIMSEC O Level Combined Science Notes: The oxidation process

  • Oxygen can be added to a substance/compound/element
  • For example carbon may be burnt into the air to form carbon dioxide
  • This process is known as oxidation
  • Oxidation is the process by which a substance/compound/element combines with oxygen in a chemical reaction
  • Oxidation is also used to refer to a […]
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Differences between reduction and oxidation

By |2022-09-15T12:39:32+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

ZIMSEC O Level Combined Science Notes: Differences between reduction and oxidation

  • There are differences between oxidation and reduction
  • The table below shows the differences between oxidation and reduction:
  • Often reduction and oxidation occur in conjunction
  • That is at the same time and during the same reaction
  • For example:
  • \text{ammonia+oxygen}\rightarrow\text{water+nitrogen dioxide}
  • Nitrogen gains oxygen and losses hydrogen […]
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