${\rm{NaZn}}{{\rm{O}}_2}$

${\rm{N}}{{\rm{a}}_2}{\rm{Zn}}{{\rm{O}}_2}$

${\rm{N}}{{\rm{a}}_2}{\rm{Z}}{{\rm{n}}_2}{{\rm{O}}_2}$

${\rm{None of these}}$

${\rm{N}}{{\rm{a}}_2}{\rm{C}}{{\rm{O}}_3}$

${{\rm{H}}_2}{\rm{O}}$

${\rm{N}}{{\rm{H}}_3}$

${\rm{B}}{{\rm{F}}_3}$

${{\rm{H}}_2}{\rm{PO}}_4^ -$

${\rm{PO}}_4^{3 - }$

${{\rm{H}}_3}{\rm{P}}{{\rm{O}}_4}$

${{\rm{H}}_3}{\rm{P}}{{\rm{O}}_3}$

Gives a pair of protons

Donates a proton

Accepts an electron pair

Gives ${\rm{O}}{{\rm{H}}^ - }$ ions in aqueous solution

${\rm{N}}{{\rm{H}}_3}$

${{\rm{H}}_2}{\rm{O}}$

${{\rm{B}}_2}{{\rm{H}}_6}$

${\rm{C}}{{\rm{H}}_4}$

40 mL

20 mL

80 mL

10 mL

$Si{F_4}$

$B{F_3}$

$P{F_3}$

$C{F_4}$

NaOH

HCl

NH3

H2SO4

Arrhenius theory

Lewis theory

Brønsted-Lowry theory

None of the above

${\rm{HCl}}$

${{\rm{H}}_2}{\rm{S}}{{\rm{O}}_4}$

${\rm{S}}{{\rm{O}}_2}$

${\rm{HN}}{{\rm{O}}_3}$

HC₂O₄⁻ and HPO₄²⁻

PO₄³⁻ and C₂O₄²⁻

HC₂O₄⁻ and PO₄³⁻

HPO₄²⁻ and C₂O₄²⁻