JIPATIE KITABU CHA JINSI YA KUANDAA PRACTICAL ZA KEMIA KWA BEI NAFUU KABISA YA SH 10,000.NI OFA KWAAJILI YAKO

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JIPATIE KITABU KITAKACHO KUFANYA UWE COMPITENT KTK KUANDAA PRACTICAL ZA KEMIA KWA BEI NAFUU KABISA YA SH10,000/= TU_      👇🏼👇🏼👇🏼👇🏼👇🏼👇🏼                                                                            *ORDINARY LEVEL*                                             *SECONDARY* 
         *EDUCATION*                                                                                         *CHEMISTRY PRACTICAL                                    PREPARATIONS*
               
                   *Preface*
          The ordinary level secondary education chemistry practical preparations have been prepared in response to the deficiencies noted in the teaching and learning of the subjects.
           This guide shows the simple procedures of preparing and conducting practical activities and how to handle practical work in general, hence promoting the teaching and learning chemistry in the country.

                  *Prepared by:-*                                         *Mwl;Jamesmasala                                            076   311  9871*
                                             
                          *CONTENTS:*
*1,0* Reagents to be found on the side shelves
     *1.1*   Basic  chemistry laboratory apparatus                    
     *1.2* The most   common accidents in the laboratory
*2.0* Preparations of dilute solutions
        *2.1* Hydrogen Peroxide ( H202)          *2.3*Hydrochloric acid
        *2.4* Nitric Acid
        *2.5* Acetic acid
        *2.6* Sulphuric Acid
        *2.7* Alcohol (Ethanol)
*3.0*   Preparations of dilute solutions using sold                       chemicals found in school laboratory              
        *3.1* Sodium hydroxide( NaOH)
        *3.2*  Calcium hydroxide(Ca(OH)2 )
        *3.3*  Copper sulphate(CuSO4)
        And all other sold chemicals
*4.0* Preparations of Indicators
         *4.1* Methyl Orange Indicator                             ( M.O)
         *4.2* Phenolphthalein  Indicator                          (P.O.P)
         *4.3* Starch Indicator
         *4.4* Selection of Indicators for acid-base titration
  *5.0* Standardizations of Solutions
  *6.0* Redox titration.                              *7.0* Isometric titration
  *8.0* Rate of Chemical Reactions
  *9.0* Qualitative analysis

       

*2.0* *PREPARATION*  *OF DILUTE SOLUTIONS*            
*2.1* HYDROGEN PEROXIDE ( H2O2 )
         The concentration of concentrated H2O2 to the container is always expressed in two ways;
 o/o v/v H2O2
o/o w/v H2O2                   See the container
*(i)*Using the hydrogen peroxide expressed in o/o v/v H2O2 The following fomula is used to find the molarity of concentrated hydrogen peroxide ( Mc H2O2).                    
 Mc =(o/oPurity x density x 100ml)
                                       
            But its density varies as shown below.............✍🏻    continue..........                                                                                                 *_ILI KUKIPATA KITABU HIKI         *_UTATAKIWA KUCHANGIA ELF5(10,000)TU  KWA NAMBA 076 311 9871  NA UTUME EMAIL /Whatsapp namba YAKO KTK HIYO NAMBA Kisha NITAKUTUMIA  KITABU KWA EMAIL YAKO/Whatsapp namba yako. *  piakwa juu kuna kibox kinachokuelekeza *JISAJILI* ukibonyeza kitakudai uweke email yako ambapo updates zote ninazoziweka huko utakuwa unatumiwa mojakwamoja ktk *email yako* pia usisahau kuacha maoni yako