Question

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.

Answer 1

Answer:

The answer is (d)

Explanation:

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

so it's a chemical change

Hope it helps

Answer 2

Hey mate heres ur answer -

Explanation:

process B is a chemical change....

Because when the gas comes out of the cylinder it is the main constituents of the gas are the same only it changes physically but when it burns chemical reactions take place

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