The gas we use in the kitchen is called liquified 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 what type of changes.
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Change -A then it burns
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Liquified petroleum gas is filled in the cylinder in the form of a liquid. When these liquids come out of the cylinder in the form of vapours, physical change takes place. When these vapours are mixed with air and burn, chemical change takes place
Explanation:
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