which of the following is not a reversible change? option (a) melting of wax (b)burning of coal (c) boiling of water (d) ice formation from water
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1
Answer:
boiling of water is not reversible
because when you boil water for a longer time water converts into water vapour and then you cannot make the water vapour back the water and boil it again
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Answer:
Burning of coal is the correct answer
Explanation:
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