January 2023

Oxidation of iron/Rusting

By |2022-09-15T12:39:35+02:00January 24th, 2023|Notes, Ordinary Level Notes|

ZIMSEC O Level Combined Science Notes: Oxidation of iron/Rusting

  • Iron combines with oxygen to form rust
  • The oxidation process of iron is known as rusting
  • Rust is a reddish-brown crust that forms on iron
  • It is iron oxide
  • \text{iron+oxygen}\rightarrow\text{iron oxide}
  • Most iron objects such as nails, paper clips, wires and iron coins rust when they are exposed to the […]
Comments Off on Oxidation of iron/Rusting

Experiment: Investigating the rusting of iron

By |2022-09-15T12:39:33+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Investigating the rusting or iron Investigating the rusting of iron ZIMSEC O Level Combined Science Notes: Experiment: Investigating the rusting of iron

Aim: Investigating the rusting (oxidation) of iron

Materials: 4 iron nails, 1 steel nail, a piece of copper/brass, 5 test tubes, cotton wool, solid calcium chloride, magnesium ribbon

Method

  1. Half fill two test tubes with […]
Comments Off on Experiment: Investigating the rusting of iron

Experiment: Investigating the corrosion of iron

By |2022-09-15T12:39:10+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Rusting iron nails. Image credit corrosionist.com Rusting iron nails. Image credit corrosionist.com ZIMSEC O Level Combined Science Notes: Experiment: Investigating the corrosion of plated of plated iron

Aim: To investigate the corrosion of  iron

Materials: ferroxyl indicator (turns blue when iron rusts), iron nails, sand paper, magnesium ribbon, zinc, copper, five test tubes, paint

Method

  1. Place […]
Comments Off on Experiment: Investigating the corrosion of iron
Go to Top