In alkaline battery the anode is made up of______________________?

Related Mcqs:

1. Lead battery is secondary battery the paste used in it is______________?

   A. Magnese dioxide
   B. Zinc chloride
   C. Ammonium chloride
   D. AOT

   Submitted by: Safeullah Bullo

2. Mostly elements have fractional atomic masses because of______________________?

   A. Mass of an atom itself is in fraction
   B. Atomic masses are average masses of isobars
   C. Atmoic masses are average masses of isotopes proportional to their relative abundance
   D. Atmoic masses are average masses of isotopes

3. In Galvanic cell electrons flow from anode to cathode through__________________?

   A. external electric circuit
   B. salt bridge
   C. movement of ions
   D. all of the above

4. In galvanic cell Zn acts as an anode so its value of standard reduction potential in comparison to coupled electrode would be________________?

   A. greater
   B. lesser
   C. sum of reduction and oxidation potentials
   D. none

5. Reaction at anode is called________________?

   A. oxidation
   B. reduction
   C. redox
   D. decomposition

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

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

7. Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?

   A. Smaller electronegativity of alkali metals
   B. Smaller ionic radius of these metals
   C. De-excitation of electrons from higher energy levels to low energy level
   D. Excitation of electrons from low energy levels to higher energy levels

8. First ionization potential of alkaline earth metal is greater than alkali metals because___________________?

   A. They are more reactive
   B. They have greater atomic radii
   C. They have smaller atomic sizes
   D. All

9. Lactic acid on oxidation by alkaline potassium permanganate gives:____________?

   A. Propionic acid
   B. Cinnamic acid
   C. Pyruvic acid
   D. Tartaric acid

   Submitted by: Said wali shah

10. Alkaline PH scale starts from?

    A. 8 to 14
    B. 6 to 10
    C. 7 to 11
    D. 0 to 14

    Submitted by: Chakar Hussain Shar