1.

Which one of the following is NOT a synthetic detergent?

A. CH3(CH2)10CH2O SO-3Na+
B. [CH3(CH2)15-N-(CH3)3]+Br-
C. CH3(CH2)16COO-Na+
D. CH3(CH2)16COO(CH2CH2O)n CH2CH2OH
Answer» C. CH3(CH2)16COO-Na+


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