Author Question: Water being purified using aluminum salts and a base is an example of A) a physical separation. ... (Read 37 times)

Charlie · **on:** Jul 29, 2018

Water being purified using aluminum salts and a base is an example of

A) a physical separation.
B) a chemical reaction.
C) an acid-base reaction.
D) a chemical separation.
E) none of the above

Question 2

Allowing water to cascade or bubble in a fountain during the purification process is an example of

A) a gas dissolving in a liquid.
B) a chemical reaction.
C) ion exchange.
D) a solid dissolving in a liquid.
E) only a and b