Question

How is hydrogen collected and why?

Answer 1

HYDROGEN IS COLLECTED BY DOWNWARD DISPLACEMENT OF AIR

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Answer 2

hey mate ur ans

Hydrogen is collected by

$\huge{downward}$ $\huge{displacement}$ $\large{of}$ $\huge{water}$

$\bold{it.is.because}$

1)hydrogen is $\large{sparingly}$ soluble in water