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Sulfurous acid
noun
Word Frequency:
0.1
Definitions
1.
noun
The weak acid, H2SO3, present in a solution of sulfur dioxide in water; it is a reducing agent and mild bleach.
Synonyms
sulphurous acid
hyposulfurous acid
sulfonic acid
thiosulfuric acid
sulphuric acid
hyposulphurous acid
pyrosulfuric acid
chlorosulfuric acid
sulfur dioxide
sulfuric acid
sulfate
disulphuric acid
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