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Is rust an example of a physical change or a chemical change?
It is an example of chemical change which cannot be reversed. In this change, Iron oxidizes under the presence of oxygen and moisture. The reaction is called a reduction-oxidation, or redox, reaction.
Is saltwater a chemical reaction?
Adding salt to water is not a chemical reaction, nor is it a chemical change. When salt dissolves in water, this is an example of a physical change. Although the sodium and chlorine ions separate in the water, no chemical reaction takes place.
Is Hydrofluoric acid reacts with glass an example of chemical property?
This is a chemical reaction (dito 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.
Is milk souring an example of chemical change?
Yes it is a chemical reaction between the calcium and the oxygen [i may be wrong their] but the rate of reaction is very slow.
What change undergoes chemical change?
For example a chemical reaction with an alkali metal.
A chemical reaction causes a chemical change true or false?
It is true that a chemical reaction causes a chemical change. An example of this can be seen by adding baking soda to vinegar.
Is fizzing is an example of physical change?
Fizzing is the result of a chemical change - a chemical reaction with gas releasing.
Is rust an example of a physical change or a chemical change?
It is an example of chemical change which cannot be reversed. In this change, Iron oxidizes under the presence of oxygen and moisture. The reaction is called a reduction-oxidation, or redox, reaction.
Is rust an example of a chemical change?
No, rusting is a chemical reaction in which iron reacts with oxygen in the presence of water to form iron oxide. This process is an example of a chemical change where the substance's chemical composition is altered.
Is a change in mass an indicator of chemical reaction?
A change in mass can be an indicator of a chemical reaction if there is a conversion of reactants into products with different mass compositions. For example, if gas is released during a reaction or if there is a change in the number of moles of substances present, there may be a noticeable change in mass.
What is paper burning an example of?
A chemical reaction, and also a reaction in general.
What is a well defined example of a chemical change?
One well-defined example of a chemical change is the rusting of iron. This process involves the reaction of iron with oxygen in the presence of water, leading to the formation of iron oxide (rust), which has different chemical properties than iron.
Is saltwater a chemical reaction?
Adding salt to water is not a chemical reaction, nor is it a chemical change. When salt dissolves in water, this is an example of a physical change. Although the sodium and chlorine ions separate in the water, no chemical reaction takes place.
What is an example of a color change that does not indicate a chemical reaction?
Many materials can change colour according to the temperature without there being any chemical reaction taking place.
What is chemical change when dissolving?
1. Dissolving with reaction - an example is dissolving in an acid - involve a chemical change because new compounds are formed. 2. Dissolving without a reaction - for example dissolution of table salt in water - is not a chemical change; only dissociation can occur.
Is Hydrofluoric acid reacts with glass an example of chemical property?
This is a chemical reaction (dito change).
