a chemical reaction
No, it is not a chemical change. For example, if you put gold bubbles into any single acid, no chemical change will take place.
It is a chemical change. Through corrosion, a chemical reaction has taken place.
Signs that a chemical change has taken place include the formation of a gas, the formation of a precipitate, a change in temperature, and a change in color.
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)
There are signs that you can see when a chemical change takes place. It is true that fizzing or foaming is evidence that a chemical change may have occurred.
Physical, Because The Color Changes.. Not The Chemical Property Of The Paper.. :)
chemical change
no
A chemical change is taking place.
Yes, it is a chemical reaction, because the colour of the banana has changed, which shows that a chemical reaction has taken place. Also, if the banana has gone black and turned bad, you can't change it back to it's original form, which proves that it is a chemical reaction and not a physical reaction. Remember - A chemical reaction has definitely taken place if : It's colour has changed A gas is given off There are energy changes Or, it can't be changed back to what it used to be! :) Hope this helps!!
No, it is not a chemical change. For example, if you put gold bubbles into any single acid, no chemical change will take place.
It is a chemical change. Through corrosion, a chemical reaction has taken place.
Signs that a chemical change has taken place include the formation of a gas, the formation of a precipitate, a change in temperature, and a change in color.
I assume you mean chemical "change" and the answer is no, it is a physical change that takes place.
Chemical changes take place on the molecular level
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)
There are signs that you can see when a chemical change takes place. It is true that fizzing or foaming is evidence that a chemical change may have occurred.