Pure metal__________________?

Related Mcqs:

1. Which one of following is not a property of pure quartz ?

   A. Coloured solid
   B. Brittle
   C. Hard
   D. All of above

2. The PH of pure water at 25°C, kw=1×10-4____________?

   A. 0
   B. 7
   C. 14
   D. None of above

   Submitted by: Muhammad Ali Kunbhar

3. Which one is a pure carbon?

   A. Coal Tar
   B. Coal gas
   C. Coke
   D. None of These

   Submitted by: Aamir khan Hullio

4. Coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is____________________?

   A. 2
   B. 6
   C. 4
   D. 8

5. The oxidation state of transition elements is usually _______________________?

   A. variable
   B. constant
   C. single
   D. infinite

6. Non-stoichiometric compounds of transition elements are called___________________?

   A. hydrates
   B. hydrides
   C. binary compounds
   D. interstitial compounds

7. In pig iron the concentration of C-atom is ___________________?

   A. 0.12 — 0.25%
   B. 2.5 — 4.5%
   C. 2.0 — 4.0%
   D. 0.25 — 2.5%

8. Compounds attracted by applied strong magnetic field are called__________________?

   A. diamagnetic
   B. paramagnetic
   C. good conductor
   D. ferromagnetic

9. When light is exposed to transition element then electrons jump from lower orbitals to higher orbitals in______________________?

   A. orbitals of f-subshell
   B. orbitals of d-subshell
   C. orbitals of p-subshell
   D. both A & B

10. In the production of wrought iron Mg Si and P are removed in the form of___________________?

    A. oxides
    B. silicates
    C. slag
    D. carbonates