Question

As the pH value, increase from 7 to 14 it represents CH - ion concentration in soluti
ie a basic solution
Heidi hatua
OH!
Tentale
HU
Decrease in!' ion concentration
Human Body works within the pH range of
a) 7.4 to 8
b) 4.4 to 5.4
c) 7 to 7.8 d) 6.1 to 7
The strength of acid and bases depend on the
a) number of Htion produce
b) Number of OH iron produce
c) both (a) and (b)
d) none of the above
111) A solution turns red litmus blue, its pH is likely to be
d) 10
a) 1
b) 4
C) 5
IV) Tooth decay starts when the pH of the mouth lower than
a) 75
b) 5.5
c) 6.7
d) 8.4
The higher the hydronium iron concentration
is the pH value
a) lower
b) greater
c) same
d) zero​

Answer 1

Answer:

1) a 2) c 3) d . I don't know the answers of another two questions. if you know then tell me.