Discus different periods of devilment of chemistry

1.	Discus different periods of devilment of chemistry
Answer» Answer: *History of Chemistry. ... The four CATEGORIES are: prehistoric TIMES - BEGINNING of the Christian era* *beginning of the Christian era - END of 17th century (ALCHEMY), end of 17th century - mid 19th century (traditional chemistry) and mid 19th century - present (modern chemistry).*

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History of Chemistry. ... The four CATEGORIES are: prehistoric TIMES - BEGINNING of the Christian era beginning of the Christian era - END of 17th century (ALCHEMY), end of 17th century - mid 19th century (traditional chemistry) and mid 19th century - present (modern chemistry).

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Discus different periods of devilment of chemistry​

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Discus different periods of devilment of chemistry