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What is a sign that a chemical change has occurred smoke broken pieces change in shape or change in state?
The production of smoke from something burning would be a sign of a chemical change. Broken pieces, change in shape, or change in state are all physical changes.
If something is broken into tiny pieces is it a chemical or physical change?
Physical.
Is broken pieces a sign that a chemical change has occured?
Not really. A broken glass is still glass; no chemical change has occurred. But it is physically different, so it is better to say a physical change happened.
Is digesting food chemical or physical changes?
Chemical Change
Is breaking coal into pieces chemical or physical change?
Breaking coal into pieces is a physical change because it does not alter the chemical composition of the coal. The coal remains composed of the same elements before and after being broken into pieces.
What is a sign that a chemiacl change occurred air bubbles or broken pieces?
air bubbles is a sign that a chemical change has occured
What type of change is teeth crushing food physical or chemical?
It is physical. The tooth is broken into smaller pieces, but the pieces are still made of the same substances.
When solid sulfur is broken down is it physical or chemical changes?
It is a physical change, the chemical form remain unchanged.
Is a vase that gets broken a chemical change?
It is a physical change because it is the same vase but it is in tiny pieces
What happened when the piece of chalk was broken into pieces what there a change?
When a piece of chalk is broken into pieces, there is a physical change as the chalk is simply being divided into smaller fragments. The chemical composition of the chalk remains the same even though it is now in multiple pieces.
Is a glass breaking a chemical change?
A chemical change is when the molecules of an object / solution are changed. A physical change is when the object / solution is altered without molecular change. Breaking glass is a physical change.
Is breaking glass is a physical or chemical change?
Purely physical.
