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Is a rust forming on an iron nail chemical or physical?
A nail rusting is a chemical change. The iron in the nail reacts with water and oxygen to produce rust, a compound with the chemical formula Fe3O2.nH2O.
Is a reaction with acid to form hydrogen a physical property?
Reactivity is a chemical property (in chemistry !).No, it is a chemical property. Reactivity is always a chemical property, because when a substance reacts with another, you will get a chemical change and some new form of matter. Baking soda, for instance, will react chemically with vinegar to produce new forms of matter; namely water, carbon dioxide, and sodium acetate.
What is meant by the term 'allotrope'?
Each of two or more different physical forms in which an element can exist.
What are the chemical propertis of iron?
The ability to react with oxygen, which forms rust is a chemical property of iron.
Solid forms into dissolved water is a chemical or physical change?
Dissolving in water is a physical change.
Is a nail a physical property or chemical property?
It is a chemical property because water mixing with oxygen forms rust. Rust is a chemical property
What the difference between a physical property and a chemical property?
physical properties are those that can be seen or measured without changing a material. chemical properties tell how the substance forms new substances when it mixes with something else.
Is a chemical property of matter?
All matter has chemical properties, and they describe how that matter interacts with other forms of matter. It is different from a physical property, which is simply observations of matter using the senses.
Is the ability to tarnish physical or chemical property?
Chemical.
Is a rust forming on an iron nail chemical or physical?
A nail rusting is a chemical change. The iron in the nail reacts with water and oxygen to produce rust, a compound with the chemical formula Fe3O2.nH2O.
Is a reaction with acid to form hydrogen a physical property?
Reactivity is a chemical property (in chemistry !).No, it is a chemical property. Reactivity is always a chemical property, because when a substance reacts with another, you will get a chemical change and some new form of matter. Baking soda, for instance, will react chemically with vinegar to produce new forms of matter; namely water, carbon dioxide, and sodium acetate.
When table salt forms from its elements is it chemical or physical change?
It is chemical. It is chemical because when salt is formed from elements it becomes a chemical and not a physical.
What is meant by the term 'allotrope'?
Each of two or more different physical forms in which an element can exist.
When firework explodes is physical change or chemical change?
Chemical because its made of chemicals like minerals and when the fire on the string hits the minerals then it forms a chemical reaction.
When wood rots and forms humus a chemical or physical change?
when wood rots and forms humus is a physical change
What are the chemical propertis of iron?
The ability to react with oxygen, which forms rust is a chemical property of iron.
Is ferment chemical or physical?
Chemical. It produces new forms of matter that were not there before.
