Paraquinones sentence example

paraquinones
  • The paraquinones are generally crystalline solids of a yellowish colour, having a characteristic sharp odour and being volatile in steam.
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  • Paraquinones also combine with ammonia and with amines yielding amino-derivatives and hydroquinones.
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  • The orthoquinones more resemble the a-diketones; they are crystalline solids of a red or yellow colour, but differ from the paraquinones in being devoid of smell and not volatile in a current of steam.
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