Contents

Electrical-conductivity experiment have shown that pure………is an extremely weak electrolyte.
a) water                                

b) salt
c) ammonia                                         

d) ammonium ion

a

Water undergoes self-ionization to a very.…… extent.
a) large                                                  

b) small
c) both a and b                    

d) none of these


b

Pure water contains………number of H+ and OH-.
a) unequal                                            

b) equal
c) both a and b                    
d) none of these

b


a


c

……is called water dissociation constant.
a) Kw

b) Kc     

c) K    

d) KC

a