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Reactivity(you mispelled it in the title) is a chemical change since reaction and reactivity similarly mean the same thing,and reaction has to do with chemical changes.Lets say,Hydrogen's reactivity is extremely reactive,so it can chemically change or chemically combine with other elements extremely easy,which is why when a spark got on the Hydrogen tank in the balloon of the Zeppelin,the gas exploded,causing the ship to fall.
What else can I help you with?
Is stapling an envelope a physical change or chemical?
A physical change
Is painting a door a physical or chemical change?
Physical change of the paint, not the door.
Is peeling an apple a physical or chemical change?
it is a chemical change
Is crushing charcoal into powder a physical or chemical change?
Crushing charcoal into powder is a physical change, as it alters the size and shape of the charcoal without changing its chemical composition.
Is acidity physical change or chemical change?
An acid is a chemical compound, not a physical or chemical change.
Is density chemical change or physical change?
It is a physical change.Density is not a chemical property. Instead, it is a physical property.
Is Cleaning a painted surface with acid a chemical or physical change?
Chemical broooooooooooooooo niga
What is the diffrenece between a physical change and a chemical change?
Physical change is a change in the structure. Chemical change is a change in the composition. Melting is a physical change. Complexing is a chemical change.
Is pounded metal a physical or chemical change?
Physical change
How does temperature affect physical and chemical chemical change?
A change in temperature can change the rate of physical or chemical change.
Is burning a fire a physical or chemical change?
Burning is a chemical change.
What Moving of furniture chemical or physical change?
Moving furniture is a physical change, not a chemical change. A chemical change involves a change in the chemical composition of a substance, while a physical change involves a change in the physical state or appearance of a substance without altering its chemical composition. When you move furniture, you are simply changing its position or location, which is a physical change.
