Examlex
Identify the organic compound that is derived by replacing one or more of the hydrogen atoms of ammonia with alkyl or aromatic groups, as in RNH 2 , R 2 NH, and R 3 N.
Moral Issues
Pertains to questions and debates about what is right and wrong, ethical and unethical, based on societal norms and individual beliefs.
Abstractness
The quality of being abstract; not related to physical or concrete reality but instead involving complex or theoretical concepts.
Stringed Instrument
A musical instrument that produces sound through vibrating strings.
Musical Instrument
A device designed to produce musical sounds by the manipulation of its various parts, often involving keyboard, string, percussion, wind, or electronic means.
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