Hard water often contains ion of Calcium and Magnisium or other metal components. The idea of anion exchange involves introduction of granular substance(Resin) which is often coated with Potassium or Sodium ions. Calcium and Magnisium are positively charged ions thus introduction resin leads to a chemical reaction. For each two positively charged Potasium or Sodium atoms they are released in the water and exchanged with each Calcium or Magnisium atom in the water.
AngelineMarie answered the question on February 28, 2018 at 15:17
-
A solution of ammonia in methyl benzene has no effect on red litmus paper while a solution of ammonia in water has. Explain this
(Solved)
A solution of ammonia in methyl benzene has no effect on red litmus paper while a solution of ammonia in water has. Explain this.
Date posted:
February 26, 2018
.
Answers (1)
-
How do you tell whether a salt is soluble or not?
(Solved)
How do you tell whether a salt is soluble or not?
Date posted:
February 20, 2018
.
Answers (1)
-
What are the uses of diamond?
(Solved)
What are the uses of diamond?
Date posted:
February 17, 2018
.
Answers (1)
-
Outline the physical properties of diamond.
(Solved)
Outline the physical properties of diamond.
Date posted:
February 17, 2018
.
Answers (1)
-
What are the uses of graphite?
(Solved)
What are the uses of graphite?
Date posted:
February 17, 2018
.
Answers (1)
-
Outline the physical properties of graphite.
(Solved)
Outline the physical properties of graphite.
Date posted:
February 17, 2018
.
Answers (1)
-
What are chemical properties of hydrogen gas?
(Solved)
What are chemical properties of hydrogen gas?
Date posted:
February 17, 2018
.
Answers (1)
-
Outline physical properties of hydrogen.
(Solved)
Outline physical properties of hydrogen.
Date posted:
February 17, 2018
.
Answers (1)
-
Outline properties of compounds with giant covalent structure.
(Solved)
Outline properties of compounds with giant covalent structure.
Date posted:
February 17, 2018
.
Answers (1)
-
Outline the uses of oxygen.
(Solved)
Outline the uses of oxygen.
Date posted:
February 17, 2018
.
Answers (1)
-
What are the methods used in preparation of soluble salts?
(Solved)
What are the methods used in preparation of soluble salts?
Date posted:
February 17, 2018
.
Answers (1)
-
Outline physical properties of bases.
(Solved)
Outline the physical properties of bases.
Date posted:
February 17, 2018
.
Answers (1)
-
What is the purpose of drying hydrogen gas prior to heating with oxides of metal in the reduction process?
(Solved)
What is the purpose of drying hydrogen gas prior to heating with oxides of metal in the reduction process?
Date posted:
February 15, 2018
.
Answers (1)
-
What are ions?
(Solved)
What are ions?
Date posted:
February 13, 2018
.
Answers (1)
-
In the laboratory hydrogen sulphide gas is prepared by the action of dilute hydrochloric acid on metal sylphides.(a)Name the metal sulphide that can be used...
(Solved)
In the laboratory hydrogen sulphide gas is prepared by the action of dilute hydrochloric acid on metal sylphides.
(a) Name the metal sulphide that can be used in preparing the gas.
(b) Give one chemical test for hydrogen sulphide gas.
Date posted:
February 12, 2018
.
Answers (1)
-
List down four characteristics of any homologous series
(Solved)
List down four characteristics of any homologous series.
Date posted:
February 10, 2018
.
Answers (1)
-
What is atomic radius?
(Solved)
What is atomic radius?
Date posted:
February 9, 2018
.
Answers (2)
-
Explain why aluminium chloride is acidic
(Solved)
Explain why aluminium chloride is acidic.
Date posted:
February 7, 2018
.
Answers (1)
-
Define the term calorific value as used in chemistry.
(Solved)
Define the term calorific value as used in chemistry.
Date posted:
February 2, 2018
.
Answers (1)
-
What is acythylic hydrogen?
(Solved)
What is acythylic hydrogen?
Date posted:
January 25, 2018
.
Answers (1)