LPG cylinders are used in our kitchen in which LPG exists as a liquid. When it comes out it becomes a gas (Change - A) then it burns (Change - B). Choose the correct option: (A) Change -A is a chemical change (B) Change -B is a chemical change (C) Both A & B are chemical change (D) None of these
please explain it also I will mark the one with the best explanation with correct answer as brainliest
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Answered by
6
Explanation:
Change A is physical change - In this change, the liquefied gas changes it states from liquid to gas and hence no new substance are formed.
Change B is chemical change:- Burning produces new substance and hence the reaction can't be reversed back.
Gas
burning
CO
2
+heat+othersubstance
Answered by
1
Answer:
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