Zeolites can be modified to remove heavy metal from drinking ...

[anjilletteb]

Zeolites can be modified to remove heavy metal from drinking water. How is this accomplished?
 
  A) The pore size in the zeolite is made smaller.
  B) The pore size in the zeolite is increased.
  C) Sodium and potassium ions are bound to the zeolite structure.
  D) Calcium and magnesium cations are replaced with sodium and potassium cations.

Question 2

Fats and oils are differentiated from each other on the basis of their
 
  A) melting points.
  B) densities.
  C) glycerol content.
  D) boiling points.

[quynhmickitran]

Answer to Question 1

D

Answer to Question 2

A

[anjilletteb]

Wow, this really help

[triiciiaa]

Thanks for the timely response, appreciate it