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When something new is made it is a chemical or physical change?
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∙ 8y ago
Chemical change
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Is grass growing a physical or chemical change?
It is a physical change because it is still grass. Nothing new has been made.
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.
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.
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.
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.
Is grass growing a physical or chemical change?
It is a physical change because it is still grass. Nothing new has been made.
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 butter and sugar being made in toffee a physically or chemical change?
Chemical
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.
What does not change when a substance changes matter?
During a physical change, the matter of what the substance is made out of doesn't change.
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.
