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Chemical change is also known as a chemical reaction, in which substances are changed into different substances.

See also

main article: Physical Changes

Physical changes are the changes in which the original substance hasn't been chemically altered. Physical changes pertain to changes of energy and states of matter; the substance has only changed form. [1] This change does not produce a new substance; it merely changes the distance between particles.

References

  1. Westbroek, Glen. "Physical Change". January 28, 2009 http://www.usoe.k12.ut.us/curr/science/sciber00/8th/matter/sciber/change.htm


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  • Francisco Garcia posted an update:   6 hours, 17 minutes ago · View

    I need help, what were the 4 lessons?



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