A chemical change involve a change of composition.
The chemical composition of a substance does not change when it undergoes a physical change.
When matter undergoes a chemical change, the composition of the matter changes. When matter undergoes a physical change, composition of the matter remains the same.
the chemical composition does not change.
A chemical reaction
The chemical makeup changes in the substance.
when a pure substance undergoes a chemical change it is no longer that same substance. A chemical change changes the identity of the substance. Hope i helped
When a substance undergoes a chemical change its identity is changed.
A catalyst undergoes no chemical change during a chemical reaction.
Reactivity is the rate at which a substance undergoes a chemical change.
It changes the way it looks
A substance that undergoes change in a chemical reaction is called a reactant.
This is called reaction rate.
After a physical change a substance does not change its chemical composition it simply changes its state as, water to ice or vapours.
In a chemical change a substance undergoes a change in chemical composition. The appearance of the gold was changed in this case and not chemically combined with other elements to form new substances. Thus, this change is a physical 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.
Chemical changes are those in which the chemical composition of a substance changes during the process. But when steam turns into water or vice versa, only the physical state of the substance undergoes a change but the chemical composition remains same. Thus steam turning into water is a physical change.
That is correct, a candle (or the material of which it is composed, which is usually paraffin) undergoes a chemical change when it burns.
The chemical composition of foods is changed during cooking.
if a substance undergoes a chemical change, could its volume change?
A physical change does not change the chemical composition of the substance undergoing the change, however, a chemical change does cause a change in chemical composition.
If a substance undergoes a chemical change, its properties change. For example, water, when heated turns into a gas which has a higher volume.
A chemical change involve the transformation of reactants in products, a modification in chemical composition and structure.