It is the process in which metals deteriorate gradually by the reaction of oxygen and water and forming an oxide layer on the surface of the metal.
Due to corrosion pure metal is converted into an undesirable substance.
In the case of iron, it is called rusting.
When a piece of iron is left out in moist air, it slowly changes into a dull brittle brown substance called rust (Fe2O3.xH2O).
The formation of rust on the surface of iron is called the rusting of iron.
Chemical reaction:
Fe2O3 + xH2O Fe2O3.xH2O
Rancidity:
The term ‘rancidity’ means a condition in which food has become undesirable.
It is often used to describe the oxygen content of oils.
It is a term used to describe the oxygen damage in food.
When oxygen molecules interact with the oil and food, the normal structure of the food is disturbed, resulting in a change in odor and taste, and it is not recommended for consumption.
Explanation:
For example, An example of rancidity is when a chips packet is exposed to atmospheric air which results in a change in taste and odor.
Corrosion is the deterioration of a material as a result of its interaction with its surroundings and can occur at any point or at any time during petroleum and natural gas processing. Although this definition is applicable to any type of material, it is typically reserved for metallic alloys.
The condition produced by aerial oxidation of fats and oils in foods marked by unpleasant smell and taste is called rancidity. It spoils the food materials prepared in fats and oils which have been kept for a considerable time and makes them unfit for eating.
Regeneration is one of the processes in which if an organism is cut into several pieces, each of its parts regrows to the original state. This process is carried out by specialized cells called stem cells. It takes place in organisms that have a very simple structure with very few specialized cells.
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Corrosion:
It is a natural process.
It is the process in which metals deteriorate gradually by the reaction of oxygen and water and forming an oxide layer on the surface of the metal.
Due to corrosion pure metal is converted into an undesirable substance.
In the case of iron, it is called rusting.
When a piece of iron is left out in moist air, it slowly changes into a dull brittle brown substance called rust (Fe2O3.xH2O).
The formation of rust on the surface of iron is called the rusting of iron.
Chemical reaction:
Fe2O3 + xH2O Fe2O3.xH2O
Rancidity:
The term ‘rancidity’ means a condition in which food has become undesirable.
It is often used to describe the oxygen content of oils.
It is a term used to describe the oxygen damage in food.
When oxygen molecules interact with the oil and food, the normal structure of the food is disturbed, resulting in a change in odor and taste, and it is not recommended for consumption.
Explanation:
For example, An example of rancidity is when a chips packet is exposed to atmospheric air which results in a change in taste and odor.
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