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Is electric bulb glowing a example of chemical or physical changes?
Wiki User
∙ 13y ago
It is a physical change.
When you supply electricity, the electrons jump to higher energy state. When they come back to their level, it emits energy which falls in the visible region of light.
The atoms of the filament (Tungsten) are not going through any change, that changes their chemical properties. Tungsten, still remains tungsten!
Wiki User
∙ 12y ago
Wiki User
∙ 13y agophysical. although the tungsten in the bulb is burning, most incandescent light bulbs "go out" because the tungsten filament breaks and there is no longer an electrical circuit to make the filament glow.
Wiki User
∙ 13y agoWiki User
∙ 10y agoThe glowing of an electric bulb is a physical change because the elements begin to expand due to heat. The change is not visible but can be seen under a microscope.
Wiki User
∙ 12y agochemical change
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What is an emample of a chemical change?
The following are indicators of chemical changes: ... For example, changing the color of a metal does not change its physical properties.
How will you classify matter as physical or chemical?
Physical never changes what it is; For example if you boil water its physical because you can change it back to water from precipitation, or if you tear a sheet of paper up it's still paper. Chemical- changes it's whole from it can never go back to what it was; Example, burning wood
What are physical and chemical changes and how are they the same and how are they different?
Physical changes are changes in something that affects the objects physical characteristics. Meaning things like the color, shape, amount. Example: cutting a piece of paper, painting a wall, etc. Chemical changes change what the object is made of. It can change everything, including the state the object(or liquid) is in.
Example of physical reaction?
riping paper, drawing on paper , washing clothessss there all reversible so they are physical changes not chemical
What changes of matter occur in respiration?
A change is said to be physical if no new substances are formed. Physical changes are temporary and can easily be reversed to give back the substances in their previous form. Freezing of water is an example of a physical change. A change is said to be chemical if new substances with different properties are formed. Chemical changes are permanent and cannot be reversed to give back the substances in their previous form. Burning of paper is an example of a chemical change.
Is wood being carved an example of a chemical changes?
No that is a physical change
What is a non example of chemical changes?
non example of chemical change: one non example is ice. ice is NOT an example of chemical change.
Which is a example of a physical rather then a chemical change?
Freezing/melting or evaporation/condensation, are physical changes that don't affect the chemical nature of the substances.
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.
Differences between physical and chemical changes?
A physical change is a change that does not change the chemical makeup of the substance. This can be crushing, tearing, or a phase change for example. A chemical change changes the chemical makeup of the substance. Some examples of this are rusting, combustion, or digestion.
What is an example of a physical change in baking?
both, because the ingredients are undergoing both physical and chemical changes such as: Butter melting= physical change Egg whites hardening= chemical change both, because the ingredients are undergoing both physical and chemical changes such as: Butter melting= physical change Egg whites hardening= chemical change
What is an emample of a chemical change?
The following are indicators of chemical changes: ... For example, changing the color of a metal does not change its physical properties.
Is the generation of light by an electric lamp a chemical or physical change?
This is a physical change. When the electrons go through the filament (or gas), there is no chemical change, only the physical change of temperature. The electricity to power the light may be generated chemically (fossil fuels or batteries) or from a hydroelectric plant. The light from "glow sticks" is an example of light generated by chemical changes.
Is evaparation a physical or chemical change?
Physical. If water evaporates, it is still water. It does not change into a different substance. A Chemical change is when something changes into a different substance. For example, when wood is burned, it changes into a different substance(ash).
Is a boiling point an example of chemical properties?
No. Anything related to phase changes is a physical change.
Which process is an example of a physical change?
Dissolving salt in water and making ice cubes
What is an example of a chemical change wood burning glass breaking water freezing?
The chemical change is the burning wood because the products, carbon dioxide, water, ash, and soot, have different physical and chemical properties. The other changes are physical changes because the physical and chemical properties of the substances did not change.
