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Melting a nail physical or chemical change?
Melting a nail is a physical change because only the state of matter is being altered, from solid to liquid, without changing the chemical composition of the nail. The nail can solidify again by cooling, showing that the change is reversible.
Is a rusty nail a chemical or physical change?
A rusting nail is the oxidation of iron, in which the iron in the nail and the oxygen in the air react to form a new substance, iron oxide, with different properties from the iron and the oxygen.
Is an iron nail rusts a phisical change?
It is a chemical change. Oxygen in the air (and sometimes water vapor) combines with the iron to form oxides. The rust is a new chemical with very different properties: it has little strength, can be washed away, and is no longer attracted to a magnet.
Is freezing of water evaporation of gasoline and rusting a nail a physical change?
Freezing of water and evaporation of gasoline are physical changes because they involve a change in physical state without altering the chemical composition of the substances. Rusting of a nail is a chemical change as it involves a chemical reaction between the iron in the nail and oxygen in the air to form iron oxide.
Is letting a nail rust a physical or chemical change?
I am quite sure that rust is a chemical change. Rust is caused when oxygen atoms begin bonding with the iron in the nail, which makes it a compound instead of a pure element.
Is zinc dissolving in vinegar to form a rusty substance on an iron nail a physical or chemical change?
chemical change
Is a rusty nail physical change or chemical change?
it is a Chemical change because before they are rusty they are perfect and they are a solid brown but over time they change colors because they are getting old H2O + air + metal = rust
Is a nail rusting a physical or chemical?
A nail rusting is a chemical change.
Is bending an iron nail physical change or chemical change?
physical
Melting a nail physical or chemical change?
Melting a nail is a physical change because only the state of matter is being altered, from solid to liquid, without changing the chemical composition of the nail. The nail can solidify again by cooling, showing that the change is reversible.
Is hammering a nail a chemical or physical change?
hammering a nail is a physical change, this is because the nail changes shape from being long to being short and in a board for example.
Is heating an iron nail a physical or chemical change?
Heating is a physical change.
Is rusting a nail a physical change or chemical change?
A nail rusting is a chemical change. The chemical formula of the metal completely changes, adding oxygen to the formula. Iron changes from Fe to FeO2 , or to Fe2O3
Is a rusty nail a chemical or physical change?
A rusting nail is the oxidation of iron, in which the iron in the nail and the oxygen in the air react to form a new substance, iron oxide, with different properties from the iron and the oxygen.
Are rusty nails physical or chemical?
rusting of nails is a chemical reaction. iron combines with oxygen to form iron oxide which is rust. water/water vapour acts as a catalysthere.
Why is a rusted nail chemical change not physical change?
Because the Iron in the nail is no longer just iron but oxidation plus iron, a physical change to the nail would be to cut it in-half.
Is iron nail rusts in water a chemical change or a physical change?
Chemical change, oxygen binds with iron.
