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tarnish or something
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∙ 10y ago
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What is a color change on metal that is caused by a chemical change called?
rust
Is a silver metallic color of sodium metal a physical or chemical change?
Color is a physical property, not a change.
What is an emample of a chemical change?
The following are indicators of chemical changes: ... For example, changing the color of a metal does not change its physical properties.
When a metal changes color because it has reacted with another substance and what change occured?
Chemical
When could color change be a result of a physical change?
A color change is only a chemical change if the change is permanent, if the color change is not permanent, then it is likely a physical change. Let's look at Iodine for example (that's pronounced Eye-oh-deen), it is a solid metal that is grayish in color in its solid state, however in its gas state it's a purple or violet color. Once it reverts to its solid state, it turns gray again. This is a PHYSICAL property of Iodine. If the color changed permanently to something else, it would be a chemical change.
Is a metal surface being ground a chemical change?
A metal Surface being ground is a physical change, not a chemical change.
Is tarnishing of metal a physical or chemical change?
Yes. It is a reaction between the metal and oxygen.
Is pounded metal a physical or chemical change?
Physical change
Is corrosion of a piece of metal chemical or physical change?
chemical change
Is bending a metal rod chemical or physical change?
Physical Change, the metal has the same chemical structure and only the shape of the bar has changed
Is bending metal sheets a chemical change?
No. It is a physical change because the chemical composition of the metal remains the same.
What is Heating up metal with a flame is that a physical or chemical change?
No, it is a chemical change. The metal oxide formed is a new substance.
