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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.
Is toasted bread a physical change?
No. It's a chemical change because the process is irreversible, there is a change in colour and a change in odour.
A change in matter from one form to another is?
A change in the physical state of matter is a physical change.
When sandpaper smooths a piece of wood what kind of change is it?
this is a physical change
Is decaying matter a physical or chemical change?
It's a chemical change. A chemical change is any change that causes a substance to change into another substance. A sign to know whether it's a chemical change or not, are the changes in odor. When something decays the change in smell is very powerful. Therefore, it is a chemical change.
Can a substance undergo a chemical change?
A chimical property that indicates weather a substance can undergo chimical change
Can you change element into another substance?
yes by chimical reaction
Is warming a chemical change?
yes is a chimical change cause by both man and natural disasters
What is the chimical symbol for nitrogen?
n
Hormones are the chimical messeges of the?
Body
The substance produced as a result of a chimical reaction?
product
Two elements that are involved in chimical reaction?
its a compound...
What is the chimical element identified by the leter c?
Carbon
What is a substance produced during any chimical reaction?
the product
Is thrown rocks physical change or a chemical change?
Throwing rocks is a physical change because it does not alter the chemical composition of the rocks. The act of throwing simply changes the position and motion of the rocks, but the rocks themselves remain unchanged chemically.
What type of reaction occurs to fossils under pressure in the sediment?
Chimical
Is the attraction of two ions a physical property or chemical property?
chimical
