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SAI INTERNATIONAL SCHOOL

                                                    CLASS - VIII

                                              Subject – CHEMISTRY
                       Chapter – CHEMICAL EFFECTS OF ELECTRIC CURRENT

                       TOPIC – Electroplating and Application of Electroplating



                                               HOME ASSIGNMENT


        Objective:



          Q. No.                                           Questions
            1.     LED refers to:–
                       a)  Light emitting diode
                       b)  Light electrolyte diode
                       c)  Less electrolyte demand
                       d)  Light electrolyte demand
            2.     The process of depositing a thin layer of desired metal over a metal object with the
                   help of electric current is called?
                       a)  Combination
                       b)  Electroplating
                       c)  Electrolysis
                       d)  Corrosion
            3.     What is the splitting of a compound using electricity called?
                       a)  Electrokinesis
                       b)  Electroplating
                       c)  Electrochemistry
                       d)  Electrolysis
            4.     Cans used for storing food are electroplated. What is the material used for
                   electroplating?
                       a)  Chrome onto Tin
                       b)  Iron onto tin
                       c)  Tin onto Iron
                       d)  Chrome onto Iron
            5.     Which of the following statements is correct?
                       a)  Distilled water is a good conductor of electricity.
                       b)  A LED glows even when a weak electric current flows through it.
                       c)  Only hydrated salt solutions conduct electricity.
                       d)  Zinc plating is done to make the object scratch proof.









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