Question

why is hydrogen collected by downward displacement of water

Answer 1

Hydrogen is not collected by downward displacement of air because it forms an explosive mixture with air. This is the reason it is collected by downward displacement of water.

Answer 2

HERE IS YOUR ANSWER :-

Hydrogen is a chemical element with the atomic symbol H and atomic number

1. It's the most abundant element in the universe. at standard room temperature and atmospheric pressure, Hydrogen is a colorless, odorless, non-toxic, non-metallic gas, which is highly flamable and is mostly found as a diatomic molecule.

Answer and Explanation:

The downward displacement of water is used to recollect gases that are less dense and insoluble in water. As hydrogen is less dense than water, and cannot disolve in it, then it will be recollected by it's downward movement.

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