Milikan used ______________ in his atomizer?

Related Mcqs:

1. All of the following were theorized by Bohr in his description of the atom except__________________?

   A. Angular momentum of electrons in multiples of h/2?
   B. Electrons revolve in discrete circular orbits
   C. Energy of each electron is directly proportional to n2
   D. Electrons radiate energy continuously in a given orbit.

2. Which element was not known when Mendeleev proposed his classification ?

   A. Hydrogen
   B. Sodium
   C. Copper
   D. Germanium

3. Unpaired electron in a molecule gives ______________ character ?

   A. Ferromagnetic
   B. Paramagnetic
   C. Diamagnetism
   D. Both A & B

4. The element that act as anode always have ______________ position in electrochemical cell?

   A. higher
   B. lower
   C. in middle
   D. no effect of position

5. DAP (Diammonium hydrogen phosphate) contains ______________ plant nutrients?

   A. 60%
   B. 65%
   C. 70%
   D. 75%

6. The practical problem in Hydrogen production is it:______________?

   A. Weight
   B. Valency
   C. Size
   D. Chemical property

   Submitted by: Fahad Mehsud

7. Ketones and Aldehydes are differentiate by using ______________?

   A. Fehling solution
   B. Bendict solution
   C. Silver Mirror test
   D. Nitroprusside test

   Submitted by: Safeullah Bullo

8. Vulcanized rubber is an example of ______________?

   A. Natural polymers
   B. semisynthetic polymers
   C. Synthetic polymers
   D. None of These

   Submitted by: Aneela shabbir

9. Example of linear polymer is ______________?

   A. High density polythene
   B. Low density polythene
   C. PVC
   D. both A and C

   Submitted by: Aneela shabbir

10. The distribution coefficient is related to:______________?

    A. Separating factors 
    B. decreasing factors
    C. Colouring factors
    D. retardation factors

    Submitted by: Said wali shah