Alkaline PH scale starts from?

Related Mcqs:

1. In alkaline battery the anode is made up of______________________?

   A. MnO2
   B. Zn
   C. AgO2
   D. cadmium

2. 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

3. 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

4. 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

5. The introduction of Kelvin scale in thermodynamic is according to_______________?

   A. Boyles law
   B. Charles law
   C. Daltons law
   D. Grahams law

6. Major cause of SO2 on global scale is__________________?

   A. volcanoes
   B. electric sparks
   C. combustion
   D. all

7. List of elements based on hydrogen scale is called________________?

   A. periodic table
   B. groups
   C. periods
   D. electrochemical series

8. A scale which used to measure the Hydrogen Ion concentration in a solution is known as__________?

   A. Thermometer
   B. Viscometer
   C. PH Scale
   D. Stagmometer

   Submitted by: Ali Jan

9. The range of acid PH on PH scale is____________?

   A. 9 to 8
   B. 6 to 7
   C. 1 to 6
   D. 1 to 10

   Submitted by: Chakar Hussain Shar

10. At what digit of PH scale PH is neutral?

    A. 5
    B. 3
    C. 7
    D. 10

    Submitted by: Chakar Hussain Shar