Question

How are reaction changes classified on the basis of heat given out or absorbed? Give one example for each.

Answer 1

Chemical reactions can be classified as either exothermic or endothermic. An exothermic reaction releases energy into its surroundings. An endothermic reaction, on the other hand, absorbs energy from its surroundings in the form of heat. follow me

Answer 2

Answer:Whenever there is a change either energy or heat it is absorbed from only light & heat.

Explanation:In most common process quicklime(chuna)is an example of energy evolved & chloroplast is that in which energy is absorbed.

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