Forming a bond between two molecules is an example of a(n) ________________________ or
_____________________reaction.
Breaking a bond between two molecules is an example of a(n) ________________________ reaction or
_____________________ reaction
1)
when bond is formed heat releases out
so, exothermic reaction
and also,
bond is formed when two substance combined to form one
substance
so, it is also called combination reaction
Answer: exothermic or combination
2)
when bond is breaking up then system absorbs heat
so, it is endothermic reaction
and also,
when bond break then, one substance changes into two or more
substances
so, it is also called as decomposition reaction
Answer: endothermic or decomposition
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