This is not a chemical change.
yes
A water pipe bursting is a physical reaction. It does not involve any chemical changes in the water itself, but rather a physical change in the structure of the pipe, causing it to break and release the water inside.
When water changes state from a liquid to a solid, it is undergoing a physical change. The chemical structure of water is not altered, so no chemical changes have occurred.
It is a physical change, because a section of pipe would react the same chemically as the original iron would. You can crush or melt the pipe back into the formless mass of iron that you started with.
This is not a chemical change.
Smoking is a chemical process.
yes
A water pipe bursting is a physical reaction. It does not involve any chemical changes in the water itself, but rather a physical change in the structure of the pipe, causing it to break and release the water inside.
No no no no no
No, a pipe cleaner will not float in water because it is denser than water and will sink.
A typical pipe cleaner weighs about 0.1-0.2 ounces, depending on its length and thickness.
Corrode is a chemical process where a material deteriorates due to a reaction with its environment, such as metal reacting with oxygen to form rust. It is not a physical process like melting or freezing.
When water changes state from a liquid to a solid, it is undergoing a physical change. The chemical structure of water is not altered, so no chemical changes have occurred.
By bending it
pipe cleaner
Originally a pipe cleaner's purpose is to clean tobacco residues in a fife. Though often pipe cleaners are use for handcrafting especially in Kindergarten. A more specific definition can you find in the following Wikipedia Article