9th Standard English Medium Science Subject Chemical Bonding Book Back 5 Mark Questions with Solution Part - I

9th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Science

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. Sodium having atomic number 11, is ready to_______________electron/electrons to attain the nearest noble gas electronic configuration.

    (a)

    gain one

    (b)

    gain two

    (c)

    lose one

    (d)

    lose two

  2. The element that would form anion by gaining electrons in a chemical reaction is ___________.

    (a)

    Potassium

    (b)

    Calcium

    (c)

    Fluorine

    (d)

    Iron

  3. ____________compounds have high melting and boiling points.

    (a)

    Covalent

    (b)

    Coordinate

    (c)

    Ionic

    (d)

    Coordinate

  4. Oxidising agents are also called as____________because they remove electrons form other substances.

    (a)

    electron donors

    (b)

    electron acceptors

    (c)

    reducing agents

    (d)

    Ionic agents

  5. The property which is characteristics of an Ionic compound is that

    (a)

    it often exists as gas at room temperature

    (b)

    it is hard and brittle

    (c)

    it undergoes molecular reactions

    (d)

    it has low melting point

*****************************************

Reviews & Comments about 9th Standard English Medium Science Subject Chemical Bonding Book Back 1 Mark Questions with Solution Part - I

Write your Comment