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Is painting a door a physical or chemical change?
Physical change of the paint, not the door.
When sandpaper smooths a piece of wood what kind of change is it?
this is a physical change
Is painting wood a physical or chemical change?
Its a physical change
Is stapling an envelope a physical change or chemical?
A physical change
Is it chemical or physical change when you inflate a balloon?
This is a physical change.
When water change into ice whatkind of changed has occured?
a physical change
What three signs of physical change?
Three signs of physical change are change in shape, change in size, and change in color.
What are the signs of physical change from a chemical change?
Signs of a chemical change include the formation of a new substance, a change in color, production of gas or bubbles, release of heat or light, and a change in odor. These changes are not easily reversible and often involve the rearrangement of atoms.
What are the signs of a physical changes?
A physical change to a substance is a change in its state. This means that the substance goes from a solid to a liquid or gas, or vice versa.
Is broken pieces a sign that a chemical change has occured?
Not really. A broken glass is still glass; no chemical change has occurred. But it is physically different, so it is better to say a physical change happened.
Which observation does not indicate that a chemical reaction has occured?
A change in state, such as boiling or melting, does not always indicate a chemical reaction has occurred. It could be a physical change.
What signs that a physical change has taken place in water?
hydrogen and oxygen gas are given off
what are the physical signs of high cholesterol?
what are the physical signs of high cholesterol?
What are the signs of physical change and chemical change?
Physical Change: A change in which the atoms or molecules in a substance stay the same. Example: Ripping a piece of paper in half Chemical Change: A change that affects the type of molecules or atoms in a substance. Example: Burning wood The primary difference is that in a physical change, the composition of the substance remains the same, but in a chemical change, the composition of the substance changes.
If you put water in a freezer and it turns to ice what kind of change occured to the water?
The change that occurred to the water is a physical change. In this case, the water changed from a liquid state to a solid state without altering its chemical composition.
When a substance changes into a difference substance a what change has occured?
chemical change
What do historical geologist study?
physical and biological changes that have occured in the past.
