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Is a rotten wood a physical change or chemical change?
Rottening of wood is a chemical (breakdown) reaction
Is heat and electricity a chemical or physical change?
it can be both
Is electricity seperateing water into h2 and o2 a physical or chemical change?
This is a chemical change. Chemical reactions are chemical changes.
Copper metal conducts electricity. physical or chemical change?
Copper metal conducting electricity is a physical property, not a physical or chemical change. Conductivity relates to how electrons move within a material, which does not alter the chemical composition of the copper itself.
Is electricity a physical change or a chemical change?
Electricity is not a physical or chemical change itself, but rather a form of energy that can result from both physical and chemical processes. When electrons flow through a conductor, it is a physical change, as the electrons are simply moving from one place to another. However, in some cases, electricity can also be produced through chemical reactions, such as in batteries, in which case it involves a chemical change.
Is copper conducts electricity chemical or physical change?
Copper conducting electricity is a physical change because it involves the movement of electrons within the material, without changing its chemical composition.
Saliva pre-digestion through ezymes in saliva is chemical change?
The first chemical change that happens in the body in regards to digestion, the breakdown of foodstuffs, occurs in the stomach. The saliva breakdown would be a physical change.
Is Copper conducts electricity physical or chemical?
Electrical conductivity is not a change but is a physical property.
What does not contribute to physical weathering?
Chemical reactions do not contribute to physical weathering. Physical weathering refers to the breakdown of rocks into smaller pieces without any change in their chemical composition.
Example of physical change and a chemical change?
when water changes to water vapour by heating is an example of physical change. when water is divided into oxygen and hydrogen by passing electricity is an example of chemical change.
What is the physical change in food when it enters the esophagus?
the physical change in the change in food when the enters esophagus is when it has a chemical breakdown in your mouth with a mechanical breakdown the chemical breakdown is when your salivia is making the food moist the mechanical is when you chew the food so it easier for it to enter the esophagus and so the salivia can get it moist then your esophagus uses muscles to push the food down into your stomache
What two examples is the physical change and chemical change of milk?
An example of a physical change in milk is when you freeze it, changing its state from liquid to solid without altering its chemical composition. A chemical change in milk occurs when it sours, involving the breakdown of lactose by bacteria to form lactic acid, altering its chemical composition.
