Contents

The acidity or basicity of an of an aqueous solution depends upon the relative numbers of….&……present in it.
a) H+ , OH-                                          

b) H+ , OH-
c) OH- , OH+                                                              

d) H- , H+

a

As the concentration of hydrogen ions increases, the solution becomes more acidic and the………decreases.
a) pH-

b) pH                     

c) pOH
d) pOH+

b


b

A neutral solution at 25C0 has a [O-H] of
a) 1.0
´ 10-7 M                    

b) 1.0 ´ 107 M
c) 0.1
´ 10-7 M                     
d) 0.1 ´ 107 M

a

Neutral solution has a pH value of………
a) 6     

b) 7                        

c) 8    

d) 9

b

The pOH of 0.001 M solution of nitric acid is
a) 3    

b) 11                      

c) 5    

d) 14

b