The gas we use in the kitchen is called liquefied petroleum gas (LPG).

The gas we use in the kitchen is called liquefied petroleum gas (LPG). In the cylinder it exists 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 point (a) Process − A is a chemical change. (b) None of these processes is a chemical change. (c) Process − B is a chemical change. (d) Both processes A and B are chemical changes.

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Answer:

The answer is (d)

Because The gas that has came out of cylinder cannot be REPLACED .

so it's a chemical change

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