Helium gas is used in gas balloons instead of hydrogen gas because it is (a) lighter than hydrogen (b) more abundant than hydrogen (c) noncombustible (d) more stable
Answers
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6
(a) lighter than hydrogen
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9
Answer:
The correct answer of this question is c ,non-combustible.
Explanation:
The gases like hydrogen and helium are used in the balloons because they are lighter than the air.
But helium is more preferable than hydrogen because helium is non-combustible and that's why it is more safe to use.
That's why option C is the correct answer of this question.
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