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A gas is produced when a chemical change takes place. The temperature changes and a substance disappears. A solid is formed and a color change has occurred. Another chemical change is that a new odor is produced.
Wiki User
∙ 9y ago
Wiki User
∙ 11y ago- release of a gas
- change of odor
- change of color
- formation of a precipitate
- change of mass
- burning possible
- explosion possible
- formation of new compounds
- variation of temperature
- variation of viscosity
- etc.
Wiki User
∙ 9y agoColor change, gas, odor, heat, and precipitate are five evidences of chemical change.
Wiki User
∙ 11y ago1.Rusting.
2.Ashes.
3.Vapor
4.
Wiki User
∙ 11y ago1. Change in temperature
2. Production of a gas
3. Formation of a precipitate
4. Production of a light
5. Change of color
Wiki User
∙ 12y agoChange in color, Change in odor, gas production, temperature change, precipitation.
Wiki User
∙ 11y agoI don't know about five, but the basic four are:Formation of a precipitate (solid), production of a gas, color change, and a change in temeprature.
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Is peeling an apple a physical or chemical change?
it is a chemical change
Is Cleaning a painted surface with acid a chemical or physical change?
Chemical broooooooooooooooo niga
Is extraction a physical or chemical change?
No. A physical change is a change that does not change the chemical composition of a substance, while a chemical change does change the chemical composition of a substance.
Is crushing charcoal into powder a physical or chemical change?
Chemical I think
Is microwave physical or chemical change?
Chemical change
What are the corresponding evidences shown that a chemical change occurred?
chemical change occurred when new chemical substance was created
When a kettle is boiled you can tell it is not chemical change?
There are 4 evidences of a chemical reaction : -Change of colour. -Formation of precipitate. -Release of energy. -Effervescence.
What are the evidences of chemical change and which is the most important?
Some indicators of a chemical reaction are:- formation of new compounds- change of color- change of odor- release of a gas- change of the temperature- change of the viscosity- formation of a precipitate- change of general appearance- possible explosion- possible chemiluminescence
What are the evidences a chemical change has taken place?
Some indicators of a chemical reaction are:- change of color- change of odor- release of a gas- change of the temperature- change of the viscosity- formation of a precipitate- change of general appearance- possible explosion- possible chemiluminescence -formation of new compounds
What are some evidences that a chemical change occur?
Some physical signs are color change, bubbling, and rapid temperature reduction.
What are the most common evidences of chemical reactions?
Some signs (or evidence) of chemical change are: a gas is produced, the temperature changes, a substance disappears, a solid is formed a colour change occurs, a new odour is produced.
What are some evidences of a chemical reation taking place?
Some indicators of a chemical reaction are:- change of color- change of odor- release of a gas- change of the temperature- change of the viscosity- formation of a precipitate- change of general appearance- possible explosion - possible chemiluminescence - formation of new compounds
What kind evidences you look for abour whether a chemical reaction?
Some indicators of a chemical reaction are:- change of color- change of odor- release of a gas- change of the temperature- change of the viscosity- formation of a precipitate- change of general appearance- possible explosion- possible chemiluminescence -formation of new compounds
What are five opposites of chemical change?
1. Hi 2. Bye
What are the evidences that the earth is revolving around the sun?
we experience climate change, our seasons change and scientists have proven it.
Is burning a fire a physical or chemical change?
Burning is a chemical change.
What type of change when a substance changes into a new substance?
chemical
