Subject	nitric acid
Predicate	be added before
Object	silver nitrate
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0018
Neighborhood Sigma	0.0021
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source nitric acid is added before silver nitrate to test for bromine 1 Answers.com Questions