A dilute solution of ${{\rm{H}}_{\rm{2}}}{{\rm{O}}_{\rm{2}}}$ is labelled as 20 volume, its percentage strength is

${\rm{6}}{\rm{.07}}\,\,{\rm{\% }}$

NEET UG CHEMISTRY MCQ: HYDROGEN

1 Easy

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Application +4 | -1

A dilute solution of

{\mathrm{H}_\mathrm{2}}{\mathrm{O}_\mathrm{2}}

is labelled as 20 volume, its percentage strength is

View answer and explanation

Correct option: B

\mathrm{6}\mathrm{.07}\,\,\mathrm{\% }

Option B (

\mathrm{6}\mathrm{.07}\,\,\mathrm{\% }

) is correct because a 20 volume

{\mathrm{H}_\mathrm{2}}{\mathrm{O}_\mathrm{2}}

solution has a percentage strength of approximately 6.07%.

Practice All Chapter MCQs →

\mathrm{CaC}_2+\mathrm{H}_2 \mathrm{O} \longrightarrow \mathrm{Ca}(\mathrm{OH})_2+' \mathrm{X}\,'

\mathrm{Mg}_2 \mathrm{C}_3+\mathrm{H}_2 \mathrm{O} \longrightarrow \mathrm{Mg}(\mathrm{OH})_2+'\mathrm{Y}\,'

\mathrm{X}

\mathrm{Y}

{H_2}{O_2} \to 2{H^ + } + {O_2} + 2{e^ - };{E^0} = - 0.68V

{\mathrm{H}_\mathrm{2}}{\mathrm{O}_\mathrm{2}}

{\mathrm{H}_2}{\mathrm{O}_2}

{SiH}_4

AlH_3

{NH}_3