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What were the physical change that took place due to the expansion of cities?
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When boiling take place is the phase change a chemical or physical change?
Boiling is a physical change.
What part of a burning candle takes place and physical change?
The melting of the wax is a physical change. The burning the of wick is the chemical change
Is it true when a physical change that takes new substances are formed?
It is false. When a physical change takes place, the colors, texture, brittleness will change.
Write 3 differences between chemical and physical change?
Okay now here goes in a physical change no chemical reaction takes place. in chemical change chemical reactions take place. A physical change is reversible but a chemical change is not.In a physical change no new substance is formed(A+B=B) in a chemical change new substances are formed(A+B=C)
What stays the same in a physical change?
The chemical nature/identity of the substance stays the same when a physical change takes place.
How do you know when a physical change is taking place?
The best way to know when a physical change is taking place is to observe. There will be a visible change in physical changes.
Is putting pottery in heated place a physical or chemical change?
It is a physical change
When boiling take place is the phase change a chemical or physical change?
Boiling is a physical change.
What condition are needed for the physical change to take place?
A change in the physical environment - a change in temperature or pressure
What term denotes the change in length that takes place per unit change in temperature?
Coefficient of expansion
What is the definition of change?
urban change is the movent of cities from one place to another
What is the definition of urban change?
urban change is the movent of cities from one place to another
What part of a burning candle takes place and physical change?
The melting of the wax is a physical change. The burning the of wick is the chemical change
Are clouds a physical or chemical change?
Physical because no reaction is taking place.
When candle is broken in half does this indicate that only a physical change is taking place?
Yes.That's a physical change only.
Is hammering gold until it becomes flat a physical change or chemical change?
Pounding a gold coin into a different shape would probably not effect a chemical change. If, however, the pounding produced enough heat to meal the coin, some chemical change could take place.
What are facts about physical and chemical change?
Chemical changes take place on the molecular level
