Numbers of subatomic particles?

Related Mcqs:

1. During which process empty spaces between particles become minimum ?

   A. ionization
   B. condensation
   C. fusion
   D. evaporation

2. The number of fundamental particles in an atom of the lightest isotope carbon are_______________?

   A. 6
   B. 12
   C. 18
   D. 20

3. Rutherford bombarded _________________ particles in discovery of nucleus?

   A. Gamma-rays
   B. Alpha-rays
   C. Beta-rays
   D. X-rays

4. Which of the following technique is used for the separation of insoluble particles from liquids ?

   A. Filtration
   B. Crystallization
   C. Solvent extraction
   D. Chromatography

5. Selection of filter paper depends on size of particles to be________________?

   A. filtered
   B. dried
   C. decolorized
   D. decanted

6. Alpha particles can be detected by using___________?

   A. Gold foils
   B. Barium sulphate
   C. Zinc sulphide screen
   D. Thin Aluminium sheet

   Submitted by: Muhammad Ali Kunbhar

7. Alpha (α) particles are helium (He) nucleus with a charge of __________ ?

   A. e
   B. 2e
   C. 3e
   D. 4e

   Submitted by: Rashid Mehmood

8. Process used to separate insoluble particles from liquids is ___________ ?

   A. Drying
   B. Filtration
   C. Sieving
   D. Extraction

9. Size of colloidal particles

   A. greater than true solution
   B. greater than suspension
   C. In b/w true solution & suspension
   D. None of These

   Submitted by: Safeullah Bullo

10. The theory which explains the behavior of particles of matter in motion is called ______?

    A. Bohr’s Theory
    B. Dalton’s Theory
    C. Kinetic Molecular Theory
    D. None

    Submitted by: Zahid Jagirani