0
What is dry ice physical or chemical change when left unattended?
Wiki User
∙ 11y ago
Physical change, called sublimation. It still stays CO2
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
Dissolving salt into water is it physical or chemical change?
This is a physical change. You can separate the salt and water by the physical process of distillation or evaporation where the water is boiled away and the salt is left behind.
Are the salt crystals produced when a glass of saltwater is left on a window sill for several days a chemical or physical change?
It is a physical change, as salt (a solid solute) comes out of the solution as the water evaporates.
When two clear liquids are mixed and a yellow color forms is it a chemical change?
Yes, a colour change indicates a chemical change.
Is mixing water and baking soda a chemical or physical change?
chemical. when a reaction is undertaken that changes the structure of a substance and creates a new substance it is a chemical reaction. a gas is created during the reaction and a new chemical compound (sodium acetate) is left behind leaving neither of the previous elements present.
Phsical or chemical change?
there are two changes in matter: physical change and chemical change. physical change means the change in size, shape, texture and any other physical characteristics, but no any new substance made or added. while in chemical change, there's a change in the object's physical appearance but also made a new substance.
Fruit left out of the refrigerator for a few days a physical or chemical change?
its a chemical change
Is opened a can of fuit left out of the refigerator a physical or chemical change?
it is a physical change because it is still fruit.
When Sugar dissolves in hot water a physical or chemical change?
Dissolving sugar in water is a physical change. If you let the water evaporate, the sugar will be left behind. Evaporation is a physical process, not chemical.
Is iron left outside to rust a chemical or physical change?
both, every chemical change causes a physical change, or the effects would not be apparent or even noticeable.
When you burn sugar you are left with carbon. Is that a chemical or physical change?
Chemical change. This is an incomplete combustion, reaction with O2.
Is wood and leaves that are left to rot and to form humus a chemical or physical change?
Both. In breaking down into humus, both chemical and physical change takes place.
Is dissolving sugar in water a physical changes?
Yes, dissolving sugar in water is a physical change. If you let the water evaporate, you the sugar will be left behind. Evaporation is a physical process, not chemical.-No, It is a Chemical change.
How is dissolving a physical change?
Dissolving sugar in water is a physical change. If you let the water evaporate, the sugar will be left behind. Evaporation is a physical process, not chemical.
Is melting butter a physical change or chemical change?
As you may know, determining whether a change is chemical or physical can sometimes be a real pain! This particular change is a hard one. If your talking about butter slightly melting on a hot day because it was left out on the counter, THAT is a physical change and is reversible by simply putting the butter into the fridge. However, melting butter on the stove and having it completely turn to liquid and turn a little brown, THAT is a chemical change and is hard to reverse... a chemical change has occurred while the butter was over the heat.
Is milk sours a physical or chemical change?
chemical change
Is corrosion of a marble statue is physical change?
no because all you are doing is changing the shape and form
Is rust forming on a nail left outside a physical or chemical change?
because the chemical composition of the nail is changed, forming a new substance (the rust)
