chemical industry vs industry

chemical industry and industry both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemical industry	Yes	No	No	No
industry	Yes	No	No	No

As nouns, industry is a hypernym of chemical industry; that is, industry is a word with a broader meaning than chemical industry:

chemical industry: the manufacturers of chemicals considered collectively
industry: the people or companies engaged in a particular kind of commercial enterprise

chemical industry (noun)	industry (noun)
the manufacturers of chemicals considered collectively	the organized action of making of goods and services for sale
	persevering determination to perform a task
	the people or companies engaged in a particular kind of commercial enterprise