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

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

Options

(a) radioactive
(b) more abundant than hydrogen
(c) incombustible
(d) lighter than hydrogen

Correct Answer:

incombustible

Explanation:

Helium is used in balloons in place of hydrogen. Although lifting power of helium is about 92% of that of hydrogen, yet it is preferred because it is non-flammable or incombustible.

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