Conductivity experiment show that the product of concentrations of H+ and OH- is pure water is always………
a) 1.0 ´ 10-14mol/dm3
b) 1.0 ´ 1014mol/dm3
c) 1.0 ´ 10-14mol/dm4
d) 1.0 ´ 10-12mol/dm3
………propose
a scale for the measurement of strength of acids and base called pH and pOH
scale .
a) Arrhenius
b) Soren peter Lauritz Sorensen
c) Lewis
d)
Guldberg
In………soren peter Lauritzsorensn proposed the pH and pOH scale.
a) 1909
b) 1809
c) 1908
d) 1808
………stands for “protenz”.
a) P
b) p
c) q
d) Q
The pH scale ranges from…..to…..…
a) 0,10
b) 0, 14
c) 10,14
d) 7,14
