Science Quiz-2 Metal and non-metal

Sceince Quiz -2

Quiz

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1. The ability of metals to be drawn into thin wire is known as
   
   1.   Ductility
   2.   Malleability
   3.   Sonorousity
   4.   Conductivity
2. Which of the given properties is generally not shown by metals?
   
   1.   A. Electrical conduction
   2.   Sonorous in nature
   3.   Dullness
   4.   Ductility
3. 3. Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
   (a) Good thermal conductivity
   (b) Good electrical conductivity
   (c) Ductility
   (d) High melting point
   1.   (A) & (B)
   2.   (A) & (C)
   3.   (B) & (C)
   4.   (A) & (D)
4. Which one of the given properties is not generally exhibited by ionic compounds?
   
   1.   Solubility in water
   2.   Electrical conductivity in solid state
   3.   High melting and boiling points
   4.   Electrical conductivity in molten state
5. Silver articles become black on prolonged exposure to air. This is due to the formation of
   A. Ag₃N
   B. Ag₂O
   C. Ag₂S
   D. Ag₂S and Ag₃N
   
   Silver articles become black on prolonged exposure to air. This is due to the formation of
   
   1.   Ag₃N
   2.   Ag₂O
   3.   Ag₂S
   4.   Ag₂S and Ag₃N
6. If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of
   
   1.   CuCO₃
   2.   Cu(OH)₂.CuCO₃
   3.   CuO
   4.   Cu(OH)₂
7. Which among the given statements is incorrect for magnesium metal?
   
   1.   It burns in oxygen with a dazzling white flame
   2.   It reacts with cold water to form magnesium oxide and evolves hydrogen gas
   3.   It reacts with hot water to form magnesium hydroxide and evolves hydrogen gas
   4.   It reacts with steam to form magnesium hydroxide and evolves hydrogen gas
8. An alloy of Zn and Cu is dissolved in dil. HCl. Hydrogen gas is evolved. In this evolution of gas
   1.   Only zinc reacts with dil. HCl
   2.   Only copper reacts with dil. HCl
   3.   Both zinc and copper react with dil. HCl
   4.   Only copper reacts with water
9. The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2. Which of the given is correct?
   1.   X is a metal
      .
   2.   Y is a metal
   3.   Z is a non-metal
   4.   Y is a non-metal & Z is a metal
10. Which of the following represent the correct order of decreasing reactivity?
    1.   Mg > Al > Zn > Fe
    2.   Mg > Zn > Al > Fe
    3.   Al > Zn > Fe > Mg
    4.   Mg > Fe > Zn > Al
11. Which of the following pairs will give displacement reactions?
    1.   NaCl solution and copper metal
    2.   MgCl2 solution and aluminium metal
    3.   FeSO4 solution and silver metal
    4.   AgNO3 solution and copper metal

Chemistry Quiz-Periodic Table

PERIODIC TABLE (Quiz)

Quiz

 

1. The law of triads is applicable to
   
   1.   (1) C, N, O
   2.   (2) H, O, N
   3.   (3) Na, K, Rb
   4.   (4) Cl, Br, I
2. Which of the following set of elements obeys Newland's octave rule –
   1.   (1) Na, K, Rb
   2.   (2) F, Cl, Br
   3.   (3) Be, Mg, Ca
   4.   (4) B, Al, Ga
3. The first attempt to classify elements systematically was made by -
   1.   (1) Mendeleev
   2.   (2) Newland
   3.   (3) Lother Meyer
   4.   (4) Dobereiner
4. Which of the following element was present in Mendeleev's periodic table?
   1.   (1) Sc
   2.   (2) Tc
   3.   (3) Ge
   4.   (4) None of these
5. Which of the following element has 2nd IP < 1st IP
   
   1.   (1) Mg
   2.   (2) Ne
   3.   (3) C
   4.   (4) None
6. Which of the following statement is wrong :-
   
   1.   (1) Total no. of liquid elements in the periodic table.....Six
   2.   (2) First metal element in the periodic table is....Li
   3.   (3) All type of elements are present in 6th period
   4.   (4) Iodine is a gaseous element.
7. Arrange the elements in increasing order of atomic radius Na, Rb, K, Mg :–
   
   1.   (1) Na, K, Mg, Rb
   2.   (2) K, Na, Mg, Rb
   3.   (3) Mg, Na, K, Rb
   4.   (4) Rb, K, Mg, Na
8. Which has the lowest anion to cation size ratio-
   
   1.   (1) LiF
   2.   (2) NaF
   3.   (3) CsI
   4.   (4) CsF
9. Which of the following pairs of elements have almost similar atomic radii :-
   
   1.   (1) Zr, Hf
   2.   (2) Mo, W
   3.   (3) Co, Ni
   4.   (4) All
10. Which statement is false:
    1.   (1) Screening effect increases down the group
    2.   (2) Zeff increases down the group
    3.   (3) Zeff. increases in a period
    4.   (4) All
11. Which of the following statement is wrong :-
    1.   (1) All the actinides are synthetic (man made) elements
    2.   (2) In the Lanthanides last electron enters in 4f orbitals
    3.   (3) Np93 onwards are transuranic elements
    4.   (4) Lanthanum is d–block element