Question

Identify the type of change and
state whether energy is absorbed
or evolved in each of the following:
burning of a candle ; lighting of a
bulb; preparation of food by green
plants; volcanic eruption;
lightening
​

Answer 1

Answer:

Answer: Burning of a candle Chemical change as well as physical change and energy evolved. Lightning of a bulb Physical change, energy evolved.

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Answer 2

Answer:

all the above will expell heat that is they do a process that is known as exothermic process and in this process the heat is given off

Explanation:

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