About: ferrous sulphate

Premodifier: ferrous
Head noun: sulphate

Same concepts
http://dbpedia.org/resource/Iron(II)_sulfate

Broader concepts

label	provenance	confidence
iron salt	isap:384422248	0.709167
chemical	isap:61256474	0.676921
iron	isap:383026352	0.170508

Narrower concepts

label	provenance	confidence