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Why heating copper wire in the presence of air at high temperature a chemical change Why?
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Is heating a sugar a chemical change?
Depends on the temperature! If it gets brown, yes.
Is burning sugar a chemical or physical property?
Burning sugar is not a property.Burning sugar is a chemical change.The ability to burn, flammability, is a chemical property.
Is adding magnesium and heat chemical or physical change?
Heating magnesium is a physical process.But the reaction of magnesium with oxygen at high temperature is a chemical process.
Is the heating of a solution of powdered milk a chemical change?
If it is a chemical change it will have a change in color (not meaning food coloring was added) precipitate (solid) was formed, release of gas, new substance was formed, temperature change. If something is baked it was a chemical change
Is heating mercuric oxide a physical or chemical change?
This is a chemical reaction; oxygen is released.
Heating a frying pan is chemical or physical change?
Heating a frying pan is a physical change. A chemical change is when you change the chemical properties. Heating the pan is only changing the temperature of the pan not the chemical make up.
What is a chemical change a.Heating of ZnO b.magnetization of iron c.heating of sulfur d. radioactivity?
heating of sulfur in presence of oxygen (or air) is a chemical change.
Is heating a sugar a chemical change?
Depends on the temperature! If it gets brown, yes.
Is burning sugar a chemical or physical property?
Burning sugar is not a property.Burning sugar is a chemical change.The ability to burn, flammability, is a chemical property.
Is heating potassium bicarbonate a chemical or physical change?
The heating itself is a physical change, a chemical change might come from the heating, however.
Is adding magnesium and heat chemical or physical change?
Heating magnesium is a physical process.But the reaction of magnesium with oxygen at high temperature is a chemical process.
Is Heating potassium chlorate a chemical or physical change?
Heating anything to a visible change is ALWAYS a chemical change
Is the heating of a solution of powdered milk a chemical change?
If it is a chemical change it will have a change in color (not meaning food coloring was added) precipitate (solid) was formed, release of gas, new substance was formed, temperature change. If something is baked it was a chemical change
Is heating up sulfur a chemical change?
It is not a chemical change, unless you heat it sufficiently to make it catch fire.
Is a cooked hot dog physical or chemical change?
CHEMICAL:)
Is heating mercuric oxide a physical or chemical change?
This is a chemical reaction; oxygen is released.
Is heating KClO3 and MnO2 a chemical or physical change?
chemical change
