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Is dust settling out of the air a chemical change?
No, dust settling out of the air is a physical change, not a chemical change. It is a result of gravity causing the dust particles to fall out of suspension in the air without any chemical reactions occurring.
When paper turns yellow brown upon exposure to sunlight what type of change has taken place a chemical or physical change?
A chemical change has taken place. The exposure to sunlight causes the paper to undergo a chemical reaction, breaking down the molecules in the paper and causing the color change to occur.
Is steaming vegetables a chemical or physical change?
During steaming the chemical composition can be modified.
Is poaching an egg a physical or chemical change?
It's a chemical change: heat alters the protein bonds in the egg.
Is boiling milk a physical change or chemical?
Boiling milk is a physical change because it does not alter the chemical composition of the milk. The heat causes the milk to change from a liquid to a gas without changing its molecular structure.
What causes the shape of an object to change with out causing a chemical change?
Changes in temperature or pressure can cause the shape of an object to change without causing a chemical change. For example, heating or cooling a material can lead to expansion or contraction, respectively. Applying force or stress can also lead to deformation in the shape of the object.
The breaking up of rocks of the earth without causing a change in their chemical composition is?
chemical weathering
Is dust settling out of the air a chemical change?
No, dust settling out of the air is a physical change, not a chemical change. It is a result of gravity causing the dust particles to fall out of suspension in the air without any chemical reactions occurring.
How a physical property such as mass or texture can change without causing a change in a substances?
These physical changes doesn't influence the chemical formula of the substance.
How a physical property such as mass or texture can change without causing a change in substance?
These physical changes doesn't influence the chemical formula of the substance.
What causes rock on earth to change?
weathering from mechanical and chemical means the process is causing the rocks to become smaller and smaller each time :)
A chemical reaction causes a chemical change true or false?
It is true that a chemical reaction causes a chemical change. An example of this can be seen by adding baking soda to vinegar.
When paper turns yellow brown upon exposure to sunlight what type of change has taken place a chemical or physical change?
A chemical change has taken place. The exposure to sunlight causes the paper to undergo a chemical reaction, breaking down the molecules in the paper and causing the color change to occur.
Is steaming vegetables a chemical or physical change?
During steaming the chemical composition can be modified.
Is poaching an egg a physical or chemical change?
It's a chemical change: heat alters the protein bonds in the egg.
Why is churning a chemical change?
Souring milk causes a chemical change because it changes its state of matter (from a liquid to a semi-solid), and it grows bacteria. When milk sours it causes a permanent change, therefore making it a chemical change.
Is mixing bleach and red food coloring a physical or chemical change?
chemical !!! obviously.......
