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A physical change creates a new substance and is not reversible?
Wiki User
∙ 11y ago
Nearly, a physical change creates a substance and this is reversible. For example, ice-water. Water-steam. These are all reversible. A chemical change is irreversible. For example, baking a cake; you cannot get the original ingredients back again.
Wiki User
∙ 11y ago
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Is cutting your fingernails physical or chemical change?
its a physical change as it is reversible and no new substance is formed
How is the physical change in the robot reversible and how can you tell that the change follows the law of conservation of mass?
Most physical changes are reversible it’s part are just rearranged
What is the difference between chemical from physical change?
a physical change is reversible but a chemical change is irreversible
Is cutting your hair a reversible or irreversible physical change?
irreversible
Is it a physical or chemical change when water goes over a waterfall?
It is a physical change, because you are not making a new substance.The water is still staying water, and it is reversible, because if it is making clouds, the clouds become rain, and the rain can then evaporate or the clouds themselves can evaporate.
Is cutting your fingernails physical or chemical change?
its a physical change as it is reversible and no new substance is formed
Why is mining coal a physical change?
there is no new substance and it may be reversible by physical means
Why is it diffifult to make a list of simple rules that will let you classify a chemical and phyiscal change?
It is not that difficult if you know the difference between a chemical and physical change. A physical change is reversible and a chemical change is not. In a physical change a new substance is not formed. The breaking of glass is not reversible and is physical.
What does it mean to say a physical change is reversible?
It means that the substance can come back to its original phase.
What is the substance that undergoes a physical change but always stays the same?
a physical change is totally reversible, i.e, you can get the substance you will get back after some physical process like heating, evaporating, etc. thus the substance actually remains the same.
What is the importance of physical change?
The importance of physical change is that :-1) No new substance is formed.2) It is a temporary change.3) It is easily reversible.4) Very little heat energy is absorbed or given out.The mass of a substance does not alter in a physical change.
What is important is physical change?
The importance of physical change is that :-1) No new substance is formed.2) It is a temporary change.3) It is easily reversible.4) Very little heat energy is absorbed or given out.The mass of a substance does not alter in a physical change.
IS a physical change reverisble?
A physical change is reversible.
What is the difference between chemical change and physical change?
the difference between a physical change and a chemical change is that a physical change is usually reversible whilst a chemical change is not reversible.
What are the Changes in matter?
THE PHYSICAL CHANGE AND THE CHEMICAL CHANGE -physical change is characterized by the change of the physical state of an object and it is reversible while chemical change is irreversible since atoms and bonds are broken down to form a new substance
What are the matter changes?
THE PHYSICAL CHANGE AND THE CHEMICAL CHANGE -physical change is characterized by the change of the physical state of an object and it is reversible while chemical change is irreversible since atoms and bonds are broken down to form a new substance
what is the difference between chemical change and physical changes?
the difference between a physical change and a chemical change is that a physical change is usually reversible whilst a chemical change is not reversible.
