Friday, 13 October 2023

METALS-NON MELTALS

 

               YASH CLASSES

           Metal and Non-Metal

 Multiple choice questions.

1.       which of the following properties not

generally shown by metal

          A. Brittle              B.  Malleable .  

        C ductile                D conductor of heat.

2.Which of the Following metals can replace

   copper from solution of

    copper sulphate.

    A. Silver                   B Gold                  

    C. Zinc                      D Platinum.

3.Which of the following metal does not

   react with dilute sulphuric

   acid to liberate? Hydrogen gas.

    A Calcium.               B Zinc                 

     C. Iron.                   D Silver.

4.Which one of the following statements

   is not true?

    A metalloid. Situated on the left side

        of periodic table.

    B. Metals have tendency to get reduce.

    C. Metals are sonorous

    D. metal at the bottom of reactivity

     series is quite electropositive.

5.The oxides. Of. Very reactive metals are

   reduced to metals by.

    A. electrolytic reduction                

    B Heating with carbon,

    C heating with aluminum              

     D liquation.

 6.The process of smelting is associated with extraction of.

     A. Copper                          B Iron                   

    C Aluminium                     D Sulphur.

7.Alloys of which of following metals are

    light and are used for making aeroplanes?

    A. silver                                 B Tin                     

    C Aluminium                         D Zinc.

8.Which one of the following metals is never

    used in catalyst? In industrial. Preparations.

    A. Iron                                  B Nickel                 

    C Platinum                            D Calcium.

9.Which one of the following compounds

    is used for white washing?

 A Calcium carbonate.           B calcium sulphate.

  C Calcium oxychloride         D Calcium oxide.

10.Which one of the following is are not

   metal and also a solid?

       A. Iodine                              B Mercury               

       C Boron                              D Hydrogen.

11.Which one of the following is a non-metals

      and also a liquid?

   A carbon                                 B bromine                

    C organ                                  D chlorine.

12.Which of the following elements form

    an acidic oxide?

   A Magnesium                           B Sodium                  

   C Sulphur                                   D Helium

 13.Which one of the following properties

       is shown by a non metal?

         A. It is malleable.     

         B. It conducts electricity.

         C it is ductile.                                       

         D its oxide turns blue, litmus red.

  14.Aaj substance as hard as diamond is.

            A. SiC                       B. CaO                

            C. SiO2                     D. Cu2O

15.Which one of the following elements

      occur in Free State?

              A phosphorus         B Sulphur       

              C silicone                D. copper