Question

Give reason why hydrogen was previously used in meteorological balloons​

Answer 1

Answer:

Because helium is lighter than air, a helium balloon rises. Hydrogen is another gas lighter than air; it is even lighter than helium. Hydrogen is not used in balloons and this demonstration shows why.

Explanation:

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Answer 2

Answer:

Answer. Because helium is lighter than air, a helium balloon rises. Hydrogen is another gas lighter than air; it is even lighter than helium. Hydrogen is not used in balloons and this demonstration shows why.