Answer:

borates

Answer	Crossword Clue
BORATES	Salts of a certain acid.
BORATES	Mixes with an acid.
BORATES	Salts of an acid.

BORATES	Salts
BORATES	Acid salts
BORATES	Certain salts
BORATES	Sodium ... (cleansers)

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.