UPSC Government Jobs Exams

If four balloons A, B, C and D are
filled with hydrogen, oxygen,
helium and nitrogen gases
respectively and left in air, which
balloon reaches to the highest
distance from the Earth?
(a) Balloon A
(b) Balloon B
(c) Balloon C
(d) Balloon D



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UPSC Other Question

Bleaching powder is added in water
used for drinking purpose. The role
of bleaching powder in this case is
(a) of disinfectant
(14 of bleaching agent
(c) to remove impurity
(d) to decrease the pH
Which one among the following is
not a greenhouse gas?
a)Methane
b)Ozone
c)Chlorofluorocarbon
d)Sulphur dioxide