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Is sweat evaporating from your forehead a chemical change?
No, sweat evaporating from your forehead is a physical change, not a chemical change. The sweat is merely changing from a liquid state to a gas state without any change in its chemical composition.
When your sweat evaporates is that a chemical change?
No, the evaporation of sweat is a physical change, not a chemical change. Evaporation simply involves a change in state from liquid to gas, without any change in the chemical composition of the substance.
Is sweat a chemical or physical change?
Physical Change
Why is sweat evaporating a physical change?
Sweat evaporating is considered a physical change because it is a change in the state of matter from liquid (sweat) to gas (water vapor) without altering the chemical composition of the substances involved. The molecules in sweat retain their chemical identity during the process of evaporation.
Is evaporated sweat is a physical change and why?
It is a physical change. Water from the sweat becomes water vapour when it eveporates but these still comprise water molecules. You may be left with the dried salts which were present in the sweat (eg urea) but they will also be the same chemical compounds which were present i the sweat.
What has the same basic chemical components as sweat?
Tears have the same basic chemical components as sweat.
Is perspiration a physical change?
It is a chemical change. Actually "Perspiration" is a noun defined as the chemical product produced by sweat glands. sweating is a physical response to increased body temperature. and the reaction to sweating is the physical cooling that takes place when sweat or perspiration evaporates and gives off heat energy.
Does melanin function as a kind of sweat gland?
Melanin is not a sweat gland. Is is the chemical that provides skin color.
A silver colored ring turns your finger green is it a physical change or physical property or chemical change?
The ring turning your finger green is a chemical change. This occurs when the silver reacts with substances like sweat or lotions on your skin, forming compounds that can discolor the metal and your skin. This change is not reversible by physical means.
Is burning a fire a physical or chemical change?
Burning is a chemical change.
Is a rotting banana a chemical or physical change?
It's a chemical change
Is cellular respiration an example of a physical change or an chemical change?
its a chemical change
