Chemistry
Volleyballgirl4ever
13

Which one of the following is a compound? A. Sugar B. chocolate chip cookies C. oxygen D. Saltwater Why is water considered a pure substance and not a mixture? A. Water can be separated physically into hydrogen and oxygen. B. Water is clear. C. Water can be separated chemically into hydrogen and oxygen. D. Water is not a pure substance. It is a mixture. How can a mixture of pigments be separated? filtration crystallization magnetic attraction chromatography

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(1) Answers
onwumererickey

qn1)a :sugar. Sugar chemical formula: C6H12O6 qn2)c qn3)chromatography

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