give reasons
a)corrosion of some metals are advantages
b)corrosion of metals is a serious problem
explain with examples
Answers
Corrosion of some metals is an advantage: Example: Corrosion of aluminium is useful. ... Corrosion of metal is a serious problem.: Corrosion of Iron in the presence of oxygen and air leads to formation of brown solid known as rust. This process is called rusting.
PLS MARK AS BRAINLIEST
Answer:
[a] Corrosion of metals is an advantage as it prevents the metal underneath from further damage. For example: On exposure to air the surface of metal like aluminium and Zinc forms layers of their oxides which are very sticky and impervious in nature and hence act as protective layer.
[b] Corrosion is a dangerous and extremely costly problem. Because of it, buildings and bridges can collapse, oil pipelines break, chemical plants leak, and bathrooms flood. For example, rusting of iron.