Question

which type of change is combustibility physical or chemical​

Answer 1

Answer:

The change of one type of matter into another type(or the inability to change)is a chemical property.

Explanation:

Example of chemical properties include flammability,toxicity,acidity,reactivity(many types),and heat of combustion.

Answer 2

Answer:

Answer : Combustion of a fuel is a chemical change.

Explanation:

How we define a chemical change?

when a substance react to form a new product.

The change will always be irrevrsible meaning we can get the substance back from the product.

After combustion of a fuel co2 along with heat is formed. In the reaction we can't get the fuel back from the co2 and heat thus making combustion a chemical change.

Now you may ask what is physical change?

Physical changes are thoese changes that can be reversible .

E.g. - Melting of ice