Question

write the four factors responsible for corrosion of iron.​

Answer 1

Explanation:

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Answer 2

Answer:

Many factors speed up the rusting of iron, such as the moisture content in the environment and the pH of the surrounding area. Some of these factors are listed below.

• Moisture: The corrosion of iron is limited to the availability of water in the environment. Exposure to rains is the most common reason for rusting.
• Acid: if the pH of the environment surrounding the metal is low, the rusting process is quickened. The rusting of iron speeds up when it is exposed to acid rains. Higher pH inhibits the corrosion of iron.
• Salt: Iron tends to rust faster in the sea, due to the presence of various salts. Saltwater contains many ions that speed up the rusting process via electrochemical reactions.
• Impurity: Pure iron tends to rust more slowly when compared to iron containing a mixture of metals.

The size of the iron object can also affect the speed of the rusting process. For example, a large iron object is likely to have small deficiencies as a result of the smelting process. These deficiencies are a platform for attacks on the metal from the environment.

Explanation:

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