One method used to purify water is
by ______________________.
boiling
(17) The coagulation and settling of
impurities in water is termed
(NO RESPONSE REQUIRED)
(18) By adding certain chemicals to
water, you can cause the impurities
to precipitate or coagulate and
settle to the bottom (chemical
precipitation).
List two methods used to purify
water.
(a) _____________________
(b) _____________________
(a) Boiling
(19) Distillation requires a "still,"
whereby water is changed to its
(b) Chemical
gaseous form, separating it from
precipitation
impurities.
Two methods used to purify water are:
(a) Boiling.
(b) Chemical precipitation.
Another method of purifying water
is by ______________________.
distillation
(20) List three methods used to purify
(a) ____________________________
(b) ____________________________
(c) ____________________________
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