Corrosion is a process in which the metals react with the gases such as oxygen present in the atmosphere. Corrosion of metals is an example of a chemical change as a new product is formed.
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Why is corrosion a chemical reaction?
The most common kinds of corrosion result from electrochemical reactions. General corrosion occurs when most or all of the atoms on the same metal surface are oxidized, damaging the entire surface. Most metals are easily oxidized: they tend to lose electrons to oxygen (and other substances) in the air or in water.
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Is corrosion a chemical process?
corrosion, wearing away due to chemical reactions, mainly oxidation (see oxidation-reduction, oxide). It occurs whenever a gas or liquid chemically attacks an exposed surface, often a metal, and is accelerated by warm temperatures and by acids and salts.
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Is corrosion a physical damage?
Corrosion is a chemical reaction. The metal releases an electron into its environment, causing a change in the material. This can be an optical change, such as the discoloration of the metal or the loss of its gloss. However, physical changes such as weight loss or deformation, often occur as well.
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Is crumple physical or chemical change?
Examples of physical changes include: Crumpling a sheet or paper (a good example of a reversible physical change)
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How is corrosion a chemical reaction?
The most common kinds of corrosion result from electrochemical reactions. General corrosion occurs when most or all of the atoms on the same metal surface are oxidized, damaging the entire surface. Most metals are easily oxidized: they tend to lose electrons to oxygen (and other substances) in the air or in water.
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Is corrode a chemical reaction?
Corrosion is a process in which the metals react with the gases such as oxygen present in the atmosphere. Corrosion of metals is an example of a chemical change as a new product is formed.
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Why is corrosion a chemical property?
A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical property of iron is that it is capable of combining with oxygen to form iron oxide, the chemical name of rust. The more general term for rusting and other similar processes is corrosion.
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Is corrosion chemical or physical reaction?
Corrosion is a chemical change that usually occurs in metals that come into contact with an electrolyte. Water is the electrolyte that most commonly enables oxygen and iron to combine. This is why iron rusts when exposed to both water and air.
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What type of damage is corrosion?
General corrosion occurs when most or all of the atoms on the same metal surface are oxidized, damaging the entire surface. Most metals are easily oxidized: they tend to lose electrons to oxygen (and other substances) in the air or in water.
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Is corrosion a chemical or physical change?
Corrosion is a process in which the metals react with the gases such as oxygen present in the atmosphere. Corrosion of metals is an example of a chemical change as a new product is formed.
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Is corrosive physical?
Physical hazard are based on the intrinsic properties of the chemical. There are five main classes of physical hazard namely Explosive, Flammable, Oxidising, Gases under Pressure and Corrosive to metals.
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What is physical corrosion?
This form of corrosion occurs when two different metals with physical or electrical contact are immersed in a common electrolyte (such as salt water) or when a metal is exposed to different concentrations of electrolyte.
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Is corrosion a physical or chemical process?
Corrosion is a chemical change that usually occurs in metals that come into contact with an electrolyte. Water is the electrolyte that most commonly enables oxygen and iron to combine. This is why iron rusts when exposed to both water and air.
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What type of process is corrosion?
Corrosion is a natural process that converts a refined metal into a more chemically stable oxide. It is the gradual deterioration of materials (usually a metal) by chemical or electrochemical reaction with their environment.
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Is corrosion a chemical reaction?
corrosion, wearing away due to chemical reactions, mainly oxidation (see oxidation-reduction, oxide). It occurs whenever a gas or liquid chemically attacks an exposed surface, often a metal, and is accelerated by warm temperatures and by acids and salts.
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Is corrosion a natural process?
Corrosion is a natural process, which converts refined metal to their more stable oxide. It is the gradual destruction of materials (usually metals) by chemical reaction with their environment. In the most common use of the word, this means electrochemicaloxidation of metal in reaction with an oxidant such as oxygen.
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Why is crumpled paper a physical change?
A physical change is when a substance changes, but remains the same substance. Change in size. If a piece of paper is cut into two pieces, the paper becomes smaller, but still remains as paper. Change in shape.
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Is it physical or chemical change?
In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed.
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Is crushing physical or chemical?
Answer and Explanation: Crushing is a physical property. Physical properties are those that can be measure without changing the chemical composition of the substance being studied. The property of a substance to be crushed would not change its chemical composition when it…
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Is this a physical change?
Changes in the size or form of matter are examples of physical change. Physical changes include transitions from one state to another, such as from solid to liquid or liquid to gas. Cutting, bending, dissolving, freezing, boiling, and melting are some of the processes that create physical changes.
