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Is burning magnesium oxide a chemical change or physical?
Burning magnesium oxide is a chemical change because it involves a chemical reaction where the magnesium oxide is converted to a new substance (magnesium oxide reacts with oxygen to form magnesium oxide). This process involves the breaking and forming of chemical bonds.
Why burning of magnesium in air is chemical change?
Burning of magnesium in air is a chemical change because it undergoes a chemical reaction with oxygen in the air to form magnesium oxide. This reaction involves the breaking and forming of chemical bonds, resulting in the formation of a new substance with different properties than the original magnesium metal.
Does copper turn green by a chemical or physical change?
Copper turns green due to a chemical reaction with oxygen and other elements in the environment, forming a layer of copper oxide and copper carbonate on the surface. This process is known as oxidation and is a chemical change.
What is a chemical change in oxygen?
A chemical change in oxygen occurs when it reacts with another substance to form new compounds. For example, when oxygen reacts with iron, it forms iron oxide (rust), which is a different chemical compound than oxygen. This process involves breaking and forming chemical bonds.
What are the examlpes of chemical change and physical change?
Examples of chemical changes: * Burning of paper * Rusting of iron Examples of physical reactions: * Melting of ice * Melting of wax
Is rust forming in a tin can a chemical change?
Yes. Iron Oxide is forming.
Is corrosion of metals physical or chemical change?
It is a chemical change, where a chemical such as oxygen or chlorine combines with a metal, forming an oxide or chloride of that metal.
Is burning magnesium oxide a chemical change or physical?
Burning magnesium oxide is a chemical change because it involves a chemical reaction where the magnesium oxide is converted to a new substance (magnesium oxide reacts with oxygen to form magnesium oxide). This process involves the breaking and forming of chemical bonds.
Is rust forming on the metal gate is a physical or chemical change?
Rust forming on a metal gate is a chemical change. It is a result of a chemical reaction between iron, oxygen, and water, which leads to the formation of iron oxide (rust).
Rusting iron physical change?
No. Rusting is a chemical change because the chemical composition is changed from iron to iron oxide. The iron reacts with oxygen in the atmosphere, forming iron oxide. Fe + O2 --> Fe2O3
Is rusting of iron a physical or chemical change?
Rusting of iron is a chemical change. It occurs when iron reacts with oxygen and water in the presence of moisture, forming iron oxide (rust). This process involves a chemical reaction that changes the chemical composition of the iron.
Is rust forming on an iron nail a chemical change?
Yes, rust forming on an iron nail is a chemical change. It involves the oxidation of iron in the presence of oxygen and water to form iron oxide (rust), which has different chemical properties than the original iron.
Why burning of magnesium in air is chemical change?
Burning of magnesium in air is a chemical change because it undergoes a chemical reaction with oxygen in the air to form magnesium oxide. This reaction involves the breaking and forming of chemical bonds, resulting in the formation of a new substance with different properties than the original magnesium metal.
What tells you that iron oxide is a chemical compound?
The name indicates that it is an oxide of iron, which would only result from a chemical reaction between iron and oxygen, forming the compound iron oxide.
Is forming ozone from oxygen a chemical change?
Putting oxygen in tanks (under pressure) is a physical change, not a chemical change. The chemical nature of the oxygen has not been altered, and it is possible to recover the original substance, thus it is not a chemical change.
Is oxide formation a physical change?
No. It is a chemical change.
What kind of change iron to rust?
Iron rusting is a chemical change in which iron reacts with moist air to form fe2o3 commonly known as rust, a brown coloured coating.
