The chemical name of urea is ______.
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Aneurin
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Chloroethane
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Carbamide
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None of these
C
Correct answer
Explanation
Urea's chemical name is carbamide because it contains a carbonyl group (C=O) bonded to two amino groups (-NH2). Its formula is CO(NH2)2. Aneurin is vitamin B1, and chloroethane is an organic solvent - neither are related to urea.