Answer:

acids

Answer	Crossword Clue
ACIDS	Things that are far from basic?
ACIDS	They turn litmus paper red
ACIDS	They're not basic

ACIDS	Vinegar and lime juice
ACIDS	One end of the pH scale
ACIDS	Eating things
ACIDS	Vinegar and others
ACIDS	Etching supplies
ACIDS	One side of the pH scale
ACIDS	Fatty ...
ACIDS	Tums targets

ACIDS	They're not basic things
ACIDS	Substances low on the 49-Across
ACIDS	See 27-Across
ACIDS	Stomach contents
ACIDS	Causes of breakdowns
ACIDS	Etching fluids
ACIDS	Tums' targets
ACIDS	Citric and others

ACIDS	Corrosive liquids
ACIDS	They have pH's of less than 7
ACIDS	HCl and others
ACIDS	Chem lab collection
ACIDS	H2SO4 and such
ACIDS	Litmus reddeners
ACIDS	Niacin and vitamin C
ACIDS	Tummy troublers

ACIDS	They have low pH's
ACIDS	Stomach ...
ACIDS	These can be citric
ACIDS	Niacin and others
ACIDS	Base neutralizers
ACIDS	Substances with low pH