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Answered 2011-02-04 01:35:38

A physical change is a change that its form or appearance of matter changes but not its composition. Boiling water is a physical change because you only change the temperature but the matter is still water.

By- Ashaparekh44

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Is the boiling of water until it becomes water vapor is a physical or chemical change?

It's a physical change. All changes of state (solid to liquid, or liquid to gas, for example) are physical changes.


Describe 2 physical changes?

Melting: change of phase from solid to liquid Boiling: change of phase from liquid to a gas


Is boiling water a chemical change chemical property physical property or physical change?

The Boiling Point of water is a Physical property. When you boil the water and it changes from liquid to gas, that's a physical change.


Is boiling point physical or chemical?

When a liquid reaches boiling point it goes through a phase change, liquid to gas. Phase changes do not change the nature of a chemical so it is a physical change. This physical change can sometimes be caused by a chemical change though.


If water is boiling is it a chemical change or a physical change?

It is a physical change. All phase changes are physical, not chemical. The chemical composition of water does not change when it changes from a liquid to a gas, or for that matter, to a solid.



What changes from a liquid to gas?

The change from a liquid to a gas is a physical change called vaporization. Vaporization can occur slowly, as in evaporation, or rapidly, as in boiling.


Are boiling points and freezing points checimal changes?

No, boiling points and freezing points are physical constants that are unique to each substance. The phase change between solid and liquid and between liquid and gas is a physical change.


Why does the temperature remain constant during melting and boiling?

Melting and boiling are changes of state. Melting changes state from solid to liquid, and boiling changes state from liquid to vapor. Thus, these are physical, not chemical changes. All of the heat energy that goes into changing solid to liquid or liquid to vapor (or any change of state for that matter), is used only to change the state and therefore the temperature of the system does not change.


Why is boiling water considered a physical change?

Because it physically changes from a liquid state to a gaseous state.


When liquid nitrogen boils at - 196 celsius is that chemical or physical changes?

Boiling is a physical change because there is no change in the chemical composition of the substance.


Which change takes place during the boiling water?

During boiling of water,water changes its state from liquid to gas due to a change in temperature. Therefore it is a physical change.


Is boiling a physical or chemical change?

Boiling is a physical changePhysical, because you can easily cool the liquid down again


What are three different ways matter can go through a physical change?

There are 3 common physical changes that matter can undergo: Melting -a change from a solid to a liquid Boiling/evaporation -a change from a liquid to a gas. Condensation -a change from a gas to a liquid


When water is boiling does it change from liquid to gas?

Correct, boiling water changes from liquid to gas.


Is table salt boiling a physical or chemical change?

Boiling salt in water changes the salt crystals into a saline solution (salty water). Yet the salt remains, but as a liquid not a solid. Therefore, the change is physical, not chemical.



What is term that describes the physical change of a liquid to a solid at the boiling point?

The change of a liquid to a solid is called freezing. The change of a liquid to a gas (at the boiling point) is called vaporization.


What is a physical change and physical property?

Physical changes are changes that do NOT change a substances chemical composition, and do not cause a chemical reaction. Cutting, painting, and bending something are examples of physical changes. Physical properties are measurable properties that describe a physical characteristic, such as color, flexibility, brittlenes, etc. It also includes changes of state from solid to liquid, liquid to gas, etc, and an objects boiling point and melting point.



When the wax of a melting candle changes from solid to liquid this is a change.?

Melting is always physical, like boiling, freezing, condensing etc.


What is the name of the physical change that occurs when a solid changes to a liquid?

The name of physical change that occurs when a solid changes to a liquid is called melting.


Is hydrogen changing from gas to a liquid a physical change or a chemical change?

Changes of states (gas, liquid, and solid) are all physical changes.


Which term is defined as the change in physical state form liquid to gas occurring throughout liquid?

The change in physical state from liquid to gas occurring throughout the liquid is called boiling. It occurs at boiling point of a liquid or when the pressure of the surroundings is reduced as per its boiling point. It boils with the use of vacuum pump and at high altitudes. Boiling Vaporization is the change in state from a liquid to a gas. Evaporation and boiling are the two types of vaporization. You are describing boiling. boiling A+: Condensation


What do you call the changes from liquid to gas?

The change from a liquid to a gas is evaporation.


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