Contents

The water dissolve more or less of everything is due to ………..
a) polarity of water molecules         
b) hydrogen bonding in water
c) dielectric constant                          

d) all of these

d

(i) Polarity of Water molecules:-


The water molecules has ………… structure.
a) polar                                

b) non-polar         
c) both a & b                                       

d) none of these

a

The ………of water molecules is partially positive.
a) carbon                                              

b) oxygen             
c) hydrogen                                         

d) all of these

c

The oxygen of water molecules is …………...
a) partially positive                            

b) neutral              
c) partially negative         

d) both a & b

c

The electro negativity of oxygen atom is…….
a) 2.5     

b) 3                                        

c) 3.5     

d) 4

c