Contents

The Chemical formula of dinitrogen pentaoxide is …………
a) NO3                                                   

b) NO2
c) N2O5                                  

d) H2O2

c


d

The chemical formula of nitrous acid is ­­­……
a) HNO2                                               

b) H2NO3
c) H2SO4                                               

d) HNO3

a

Acid rain generally leads to …………
a) weathering of building  
b) corrosion of metal
c) peeling of paints from surfaces   
d) all of these

d

Effects of acid rain on fishes and wildlife:-


At pH…………, most fish egg cannot hatch.
a) 4        

b) 5                                        

c) 6        

d) 7

b