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Is tearing paper a por a physical chemical change?
Tearing paper is a physical change as you do not change what the parer is made of.
Is converting iron to a steel alloy a physical change?
It is a physical change as an alloy is a solid solution made from various metals. As you can still separate these different metals after the alloy is made it is a physical change and not a chemical change.
When a can is crushed does it go through a physical change or a chemical change?
Yes, a crushed can has chemical properties. They are the same as those of the can before crushing. Crushing a can is a physical reaction and not a chemical one. For instance, if a soup can is made of steel, the steel can be chemically attacked by something like sulfuric acid. And this is true whether the can is crushed or not.
Is melting of butter physical change or chemical?
Physical, because the stuff that the butter is made out of doesn't change, just the state, or physical form, that it is in. (solid to liquid.)
Are physical changes chemical reactions?
No, physical changes normally refer to changes other than chemical reactions. If you have a loaf of bread and cut it in half, that is a physical change but not a chemical change. If you eat the bread and digest it, that is a chemical change.
What is made from a chemical reaction?
In a chemical reaction something new is created. A chemical change is inreversible where as a physical change is. In a physical change nothing new is formed.
Is a change a physical or chemical change?
There are two kinds of changes - physical and chemical. It depends on how the change is made.
Is composting leaves a physical or chemical change?
Chemical.
Is twisting a wire chemical or physical change explain?
It is physical. The wire changes shape, but it is still made of the same materials.
Is soda a physical or a chemical change?
That made no sense...
Is tearing paper a por a physical chemical change?
Tearing paper is a physical change as you do not change what the parer is made of.
Is converting iron to a steel alloy a physical change?
It is a physical change as an alloy is a solid solution made from various metals. As you can still separate these different metals after the alloy is made it is a physical change and not a chemical change.
Is burning a soda can physical or chemical change?
That made no sense...
If a pencil nib breaks is it a chemical or physical change?
It is a physical change. There are no changes made to the compounds in a pencil by breaking it.
When a can is crushed does it go through a physical change or a chemical change?
Yes, a crushed can has chemical properties. They are the same as those of the can before crushing. Crushing a can is a physical reaction and not a chemical one. For instance, if a soup can is made of steel, the steel can be chemically attacked by something like sulfuric acid. And this is true whether the can is crushed or not.
Is coffee dissolving in water a physical or chemical change?
It is a physical change. Dissolving is a physical property called solubility.
Is mixing sodium chloride and water a chemical or physical change?
Mixing sodium chloride and water is a physical change. The chemical composition of the sodium chloride (NaCl) remains the same in the solution, the sodium chloride molecules are simply dispersed in the water. The change is reversible and does not involve a chemical reaction.
