CHEMISTRY

            NEUTRALISATION

GROUP MEMBERS:

1. NOR BAIZURA BT MAHAT            G 1028492
2. FARAH AYUNI BT RAMLY            G 1023008
3. WAN NOR AZIERA BT WAN MUSTAFA   G 1023164
LEARNING OBJECTIVE:
• Analysing neutralisation


LEARNING OUTCOMES:
At the end of this lesson students will be able to :

1. Explain the meaning of neutralisation.
2. Write equations for neutralisation reaction
3. Explain the application of neutralisation in daily life
PRIOR KNOWLEDGE


CONTENT      DEFINITION


           EQUATIONS FOR
           NEUTRALISATION
              REACTION

           APPLICATION OF
          NEUTRALISATION IN
             DAILY LIFE
X                Y




    Colourless
     solution
What happen if we put universal
             indicator?

               Methyl orange
                 solution




X                                     Y
X                    Y




    Redish colour




     Yellow colour
Can You predict what is solution x and solution
                  Y ????
         X                            Y




                    Redish colour




                      Yellow colour
EQUATION FOR NEUTRALISATION

ACID + BASE      SALT + WATER
DEFINATION

WHAT IS NEUTRALISATION :


Neutralisation is a reaction between acid and
base to produce salt and water.
Answers:
• 2 HNO3 + Ca(OH)2    +




• H2SO4 + Ba(OH)2     +




• HCl + KOH           +
APPLICATIONS OF NEUTRALISATIONS
        • Insect Stings
          Bee stings are acidic and can be
          neutralised with baking soda (bicarbonate
          of soda). Wasp stings are alkaline and can
          be neutralised with vinegar.



        • Indigestion: Our stomach carries around
          hydrochloric acid. Too much of this leads
          to indigestion. To cure indigestion, you
          can neutralise the excess acid with baking
          soda or specialised indigestion tablets.
• Soil Treatment: When soils are too
  acidic (often as a result of acid rain)
  they can be treated with slaked
  lime, chalk or quicklime, all alkalis.
  Plants and crops grow best in neutral
  soils



 Factory Waste: Liquid waste from
 factories is often acidic. If it reaches a
 river it will destroy and kill sea life of
 many forms. Neutralising the waste
 with slaked lime can prevent this.

Neutralization

  • 1.
    CHEMISTRY NEUTRALISATION GROUP MEMBERS: 1. NOR BAIZURA BT MAHAT G 1028492 2. FARAH AYUNI BT RAMLY G 1023008 3. WAN NOR AZIERA BT WAN MUSTAFA G 1023164
  • 2.
    LEARNING OBJECTIVE: • Analysingneutralisation LEARNING OUTCOMES: At the end of this lesson students will be able to : 1. Explain the meaning of neutralisation. 2. Write equations for neutralisation reaction 3. Explain the application of neutralisation in daily life
  • 3.
    PRIOR KNOWLEDGE CONTENT DEFINITION EQUATIONS FOR NEUTRALISATION REACTION APPLICATION OF NEUTRALISATION IN DAILY LIFE
  • 4.
    X Y Colourless solution
  • 5.
    What happen ifwe put universal indicator? Methyl orange solution X Y
  • 6.
    X Y Redish colour Yellow colour
  • 7.
    Can You predictwhat is solution x and solution Y ???? X Y Redish colour Yellow colour
  • 8.
  • 9.
    DEFINATION WHAT IS NEUTRALISATION: Neutralisation is a reaction between acid and base to produce salt and water.
  • 10.
    Answers: • 2 HNO3+ Ca(OH)2  + • H2SO4 + Ba(OH)2  + • HCl + KOH  +
  • 11.
    APPLICATIONS OF NEUTRALISATIONS • Insect Stings Bee stings are acidic and can be neutralised with baking soda (bicarbonate of soda). Wasp stings are alkaline and can be neutralised with vinegar. • Indigestion: Our stomach carries around hydrochloric acid. Too much of this leads to indigestion. To cure indigestion, you can neutralise the excess acid with baking soda or specialised indigestion tablets.
  • 12.
    • Soil Treatment:When soils are too acidic (often as a result of acid rain) they can be treated with slaked lime, chalk or quicklime, all alkalis. Plants and crops grow best in neutral soils Factory Waste: Liquid waste from factories is often acidic. If it reaches a river it will destroy and kill sea life of many forms. Neutralising the waste with slaked lime can prevent this.