Condensation of water vapor occurs when water vapor cools and changes back into liquid form. Decomposition of sugar happens when heat breaks down the sugar molecules into simpler compounds. Rusting of iron occurs when iron reacts with oxygen in the presence of water to form iron oxide.
Rusting is a chemical property because it is irreversible. It changes the identity of the substance.
Boiling does not involve a chemical change in property. Boiling is a physical change in which a substance changes from a liquid to a gas without changing its chemical composition. The other options (rusting, burning, fermenting) involve chemical reactions that result in changes to the chemical composition of the substances involved.
Boiled water will not rust as rusting is a chemical reaction between iron and oxygen in the presence of water. Boiling water simply changes its state from liquid to gas (water vapor) and does not directly cause rusting.
Physical - Breaking of glass Boiling of water Melting of ice Cutting of vegetables Chemical - Burning of paper Cooking of food Rusting of iron Souring milk
Yes, rusting nails is a chemical reaction. I just went over this in chemistry class last week.
A nail rusting is a chemical change. The chemical formula of the metal completely changes, adding oxygen to the formula. Iron changes from Fe to FeO2 , or to Fe2O3
rusting, burning, polymerizing,
Rusting is a chemical property because it is irreversible. It changes the identity of the substance.
Physical Changes in metal are: melting bending and rusting
No but it helps prevent chemical changes like rusting.
what are some physical changes when rusting metal is an example
physical change
Boiling does not involve a chemical change in property. Boiling is a physical change in which a substance changes from a liquid to a gas without changing its chemical composition. The other options (rusting, burning, fermenting) involve chemical reactions that result in changes to the chemical composition of the substances involved.
1) a nail rusting 2) photosynthesis
Expansion and contraction in weathering are caused by temperature changes, not rusting. Rusting is a chemical process that occurs when iron reacts with oxygen in the presence of water, leading to the formation of iron oxide (rust). However, rusting can contribute to the weakening and eventual breakdown of materials, which may then be more susceptible to expansion and contraction due to temperature changes.
No, it is a Physical Change. Physical Changes are concerned with energy and states of matter. A physical change does not produce a new substance. Changes in state or phase (condensation, melting, freezing, vaporization, sublimation) are physical changes. Other examples of physical changes include crushing a can, melting ice, and breaking a bottle. Chemical changes take place on the molecular level. A Chemical Change produces a new substance. Some examples of chemical changes include combustion (burning) and rusting of a metal.
a chemical change