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What is indicates that only a physical change has taken place?
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What evidence is there to show that a chemical reaction has taken place when an egg is cooked?
The change in color indicates that a chemical reaction has taken place.
Is corrosion of aluminium metal a physical change or a chemical change?
It is a chemical change. Through corrosion, a chemical reaction has taken place.
When a cube of ice melts to form a puddle of water is it a physical change?
Yes. No chemical change has taken place, only a physical change. It can be undone (liquid water can be re-frozen)
Is slicing turkey a physical or a chemical?
Slicing turkey represents a physical change, not a chemical change. The chemical composition of the sliced turkey is identical to the chemical composition of the intact turkey. Only a physical change has taken place.
When ice melts and becomes water has a chemical change taken place?
No. That's because it is still water whether it is in the form of a solid or liquid. A physical change occurs when there is a change in the state of matter only.
What evidence is there to show that a chemical reaction has taken place when an egg is cooked?
The change in color indicates that a chemical reaction has taken place.
When liquid water evaporates which has taken place molecular change or chemical change?
Physical change.
What suggests that a physical change has taken place in a ice cube?
You will see that it has begun to melt.
What is making salt water to gargle for a sore throat a physical or chemical change?
Physical. It is a mixture of salt and water. No chemical change has taken place.
In examples of chemical changes the odor of sour milk indicates a chemical change has taken place true or false?
True
Is corrosion of aluminium metal a physical change or a chemical change?
It is a chemical change. Through corrosion, a chemical reaction has taken place.
What signs that a physical change has taken place in water?
hydrogen and oxygen gas are given off
When a cube of ice melts to form a puddle of water is it a physical change?
Yes. No chemical change has taken place, only a physical change. It can be undone (liquid water can be re-frozen)
Is slicing turkey a physical or a chemical?
Slicing turkey represents a physical change, not a chemical change. The chemical composition of the sliced turkey is identical to the chemical composition of the intact turkey. Only a physical change has taken place.
Is erosion of a riverbed by water a chemical change or a physical change?
Physical. No chemical reaction has taken place, the riverbed has simply moved from one place to another. By Olivia Fisher
When paper turns yellow brown upon exposure to sunlight what type of change has taken place a chemical or physical change?
Physical, Because The Color Changes.. Not The Chemical Property Of The Paper.. :)
When ice melts and becomes water has a chemical change taken place?
No. That's because it is still water whether it is in the form of a solid or liquid. A physical change occurs when there is a change in the state of matter only.
