The sulphur dioxide gas reacts with oxygen in atmosphere to form …………
a) CO3
b) SO3
c) SO2
d) CO2
The…………is very reactive.
a) SO2
b) SO3
c) both a & b
d) S2
SO3 is soluble in rainwater to produce a……
a) strong base
b) strong acid
c) weak base
d) weak acid
…………is a strong acid.
a) H2SO4
b) H2O
c) NaCl
d)NaOH
The nitric acid reacts with ozone and produce…………
a) NO2
b) O2
c) both a & b
d) CO2
