Question

A ballon filled with hydrogen gas floats in air ? EXplain why?​

Answer 1

Explanation:

Balloon filled with hydrogen gas floats in air because its density and weight is less than that of air. When balloon is filled with hydrogen gas its density becomes less than that of atmospheric air so its weight becomes less and buoyant force of air increases and it starts floating.

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Answer 2

Answer:

Balloon filled with hydrogen gas floats in air because its density and weight is less than that of air. When balloon is filled with hydrogen gas its density becomes less than that of atmospheric air so its weight becomes less and buoyant force of air increases and it starts floating.