Submitted by admin on Mon, 04/21/2014 - 22:19
definition:
(NOUN) the level of alkaline
sentence:
Precipitating water softeners increase alkalinity of the cleaning solution and this may damage skin and other materials being cleaned
difficulty:
hard
toefl frequency:
1
adverb:
adjective:
alkaline
adverb sentence:
adjective sentence:
Liquid bleach used in the laundry is an alkaline solution of hypochlorite ion.
verb:
verb sentence: