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Question

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

A
Incombustible
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B
Lighter than hydrogen
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C
Radioactive
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D
More abundant than hydrogen
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Solution

The correct option is A Incombustible

Helium is used in balloons in place of hydrogen because it is incombustible. He do not catch fire like hydrogen. He is a inert element. Hence, option A is correct.


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