what type of change takes place in the following and state with the energy is evolved or absorbed during the change burning of a candle lighting of a bulb preparation of food with green plants volcanic eruption evaporation of petrol burning of LPG
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burning of a candle-chemical change
lighting of a bulb-physical change
preparation of food-chemical change
volcanic eruption-chemical change
evaporation of petrol-physical change
burning of lpg-chemical change
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