The gas we use in the kitchen is called liquified petroleum gas (LPG). In the cylinder it exist as a liquid.
When it comes out from the cylinder it becomes a gas (Change – A) then it burns (Change – B). The following statements pertain to these changes. Choose the correct one
1
Process – A is a chemical change.
2
Process – B is a chemical change.
3
Both processes A and B are chemical changes.
4
None of these processes is a chemical change.