Acid rain and its effects:-
Normal rainwater is slightly acidic with a pH range of 5.6 to…………
a) 6.0
b) 7.0
c) 8.0
d) 9.0
CO2 and H2O present in the air react together to form…………
a) malic acid
b) carbonic acid
c) formic acid
d) tartaric acid
Carbonic acid
is a…………
a) strong acid
b) weak acid
c) strong base
d) weak base
Acid rain is the one of adverse effect of …………pollution.
a) air
b) water
c) noise
d) none of these
Acid rain are the result of excessive ………in the atmosphere.
a) CO2
b) NO2
c) SO2
d) all of these
