Page 1 - 3. Home Assignment - Ch-3 Concept mapping
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SAI International School
                                                       Class-X

                                               Subject_ Chemistry
                                   Ch-3 Revision of Metals & Non-Metals
                                                   (concept wise)

                                                Home Assignment





                                                          Ch-3

                                          Metals, Non Metals & Metallurgy
                                                                   1.      State
                                                                   2.      Hardness
                                                                   3.      Malleability
                                                                   4.      ductility
            A] Physical properties Of Metals & Non                 5.      Thermal Conductivity
            Metals-
                                                                   6.      Electrical Conductivity
                                                                   7.      M.P
                                                                   8.      Lustre
                                                                   9.      Sonorous
                                                                   1.Reaction with- Oxygen
                                                                   2.      Water
            B] Chemical properties of Metals & Non
            metals-                                                3.      Dilute Acids
                                                                   4. Displacement reaction
                                                                   5.Mettalic/Non-metallic oxide
                                                                   a. Properties & Reasons
            C]Ionic Bonding                                        b. Lewis structure of different
                                                                   compounds

            D] Metallurgy                                          Extraction of Higher, middle & low
                                                                   reactive metals

            E] Alloy & uses                                        Different Alloys & composition
                                                                   Uses


               A] Physical properties Of Metals & Non Metals-


                 1.
                        Name one metal and one non-metal in liquid state at room temperature.

                 2.
                        Why do we use copper and aluminium wire for the transmission of
                        electric current?

                 3.     Name two metals which are found in nature in free state.



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