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Is turning of copper into green when exposed into environment physical or chemical change?
It is a chemical change.
Is copper turning green when exposed to the environment a chemical change?
Chemical because it is being exposed to another compound and forming a new substance
Is the baseball that strikes a roof a chemical change?
Not even a change at all. My chemistry teacher always told us, if you can't reverse it so that the product will be identical as before it's a chemical reaction. I.e. Melting a Chocolate bar, it can solidify but not exactly the same (shape and whatnot) as before, or exploding, not even reversible.
Does a physical or chemical change take place when an apple is exposed to oxygen over time with peroxide on it?
chemical
Is does not react with hydrogen a physical or chemical change?
This is a chemical property of an element. It indicates how an element interacts with other substances. In this case, the element does not undergo a chemical change when exposed to hydrogen.
Lighting a match a physical change or chemical change?
Lighting a match is a chemical change because the molecules in the matchstick undergo a chemical reaction when exposed to heat, resulting in the production of new substances like ash and smoke.
Is sodium turning black when exposed to air a chemical change?
the answer is yes because sodium is a solid right right so being exposed by a chemical is changed.
Which one is a chemical change-eletrolysis of water or sodium chloride exposed in sunlight?
The electrolysis of water is a chemical change because it breaks down water molecules into hydrogen and oxygen gas. On the other hand, sodium chloride exposed to sunlight is a physical change as it may undergo phase changes, but the chemical composition remains the same.
Is lighting a match a chemical change?
Yes, lighting a match is a chemical change because the chemicals in the match head undergo a chemical reaction when exposed to heat from friction, resulting in the release of energy in the form of light and heat.
What chemical change takes place when steel is exposed to water?
Corrosion occur if oxygen exist also.
Is pancake batter changing into a pancake a chemical change or a physical change?
The process of pancake batter changing into a pancake is a chemical change. This is because the ingredients in the batter undergo a chemical reaction when exposed to heat, leading to the formation of new compounds with different properties.
Is white phosphorus that glows when exposed to air a chemical change or a physical change?
White phosphorus is a very reactive chemical because of its structure. When it is heated some, it can react with oxygen to create phosphorus pentoxide (it is in this exothermic reaction that you see the glow). So it is indeed a chemical change.
