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selenious acid

noun

, Chemistry.
  1. a colorless, crystalline, water-soluble, poisonous powder, H 2 SeO 3 , used chiefly as a reagent.


selenious acid

noun

  1. a white soluble crystalline strong dibasic acid analogous to sulphurous acid. Formula: H 2 SeO 3
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of selenious acid1

First recorded in 1825–35
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Example Sentences

Selenious acid, 6 parts; cupric sulphate, 10 parts; water 1,000 parts; nitric acid, 5 parts.

Selenious acid, 10 parts; nitric acid, 5 parts; cupric sulphate; water, 1,000 parts.

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