Question

why is the burning of LPG gas from a cylinder considered both a physical and a chemical change?​

Answer 1

Answer:

Burning of LPG involves both physical and chemical changes because when LPG comes out of cylinder and is converted from liquid to gaseous state it is a physical change. When the gas burns in air it is a chemical change.

Explanation:

Answer 2

Answer:

Explanation:Burning of LPG involves both physical and chemical changes because when LPG comes out of cylinder and is converted from liquid to gaseous state it is a physical change. When the gas burns in air it is a chemical change.