Q41 / 180 · KCET 2008 · Chemistry

Helium is used in balloons in place of hydrogen because it is

Correct answer
A
incombustible
B
lighter than hydrogen
C
radioactive
D
more abundant than hyrogen

Solution

Helium (He) is a non-flammable (incombustible) gas and its lifting power is $93 \%$ as compared to flammable hydrogen gas, due to these reasons it is used in filling balloons and other lighter air-crafts.

Hence, the correct answer is option: 'A'.

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