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What else can I help you with?
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
When a glass of milk spoils for a week does it cause a physical or chemical change?
Both: a physical change as the curds (solids) separates from the whey (liquid), and a chemical change as the decomposition of the milk takes place, producing molds on the surface and a sour smell and taste.
Is a change in the temperature a physical change?
Yes, a change in temperature is a physical change because it only affects the state or phase of a substance (solid, liquid, gas) without altering its chemical composition. It does not result in the formation of a new substance.
If the temperature of heptane increased from 90 degrees to 100 degrees would a physical or chemical change take place?
The temperature increase from 90 to 100 degrees for heptane would not cause a chemical change. It would only result in a physical change, such as a phase change from liquid to gas.
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
Does gas always indicate a chemical change?
No, the presence of gas does not always indicate a chemical change. Gas can form due to physical processes such as evaporation or changes in temperature, without any chemical reactions taking place.
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.
What are facts about physical and chemical change?
Chemical changes take place on the molecular level
