CHILD DEVELOPMENT PEDAGOGY

Detailed explanation-1: -Aluminium does not corrode easily because it very reactive. It reacts with atmospheric oxygen to form a thin protective layer of aluminium oxide over it that prevents it from corrosion.

Detailed explanation-2: -Unlike iron and steel, aluminium does not rust or corrode in moist conditions. Its surface is protected by a natural layer of aluminium oxide. This prevents the metal below from coming into contact with air and oxygen.

Detailed explanation-3: -This is because aluminium develops a thin oxide layer on the surface when the metal comes in contact with oxygen. The oxide layer protects the aluminium against corrosion and if it is damaged, it will immediately regenerate, provided there is oxygen present.

Detailed explanation-4: -Aluminum has a very high affinity to oxygen. When a new aluminum surface is exposed in the presence of air or any other oxidizing agent, it quickly develops a thin, hard film of aluminum oxide (or hydrated oxide in non-stagnant water). This aluminum oxidation is precisely what makes aluminum so corrosion-resistant.

Detailed explanation-5: -(D) Al Iron easily reacts with the environment and gets corroded but when Al (aluminium) reacts with oxygen it forms Al2O3 (aluminium oxide) on the surface of the metal and it forms a protective covering on the surface of the metal which prevents the further corrosion of aluminium metal compared to the iron.