Answers

2015-07-31T19:45:54+08:00
Chemical change is when there is a change in a composition of that particular reaction of chemicals. Ex: Na + Cl -> NaCl
HCl + KOH -> KCl + H2O
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Chemical change is the change in matter where the composition if matter is different and a new substance is formed
2015-07-31T21:08:47+08:00
Chemical change -is any CHANGE that result in the formation of new CHiMICal substance .at the molecular level ,chemical change involves making or breaking of bonds between atoms.
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