Chemistry 1st Paper MCQ-Jessore Board-2017

$\mathrm{HMnO}_{4}$

$\mathrm{H}_{2} \mathrm{SO}_{4}$

$\mathrm{HClO}_{4}$

$\mathrm{HNO}_{3}$

$\mathrm{K}_{\text {sp }}=\left[\mathrm{Zn}^{(2+)}\right]\left[\mathrm{PO}_{4}^{(3-)}\right]$

$\mathrm{K}_{\mathrm{sp}}=6\left[\mathrm{Zn}^{(2+)}\right]\left[\mathrm{PO}_{4}^{(3-)}\right]$

$\mathrm{K}_{\mathrm{sp}}=\left[\mathrm{Zn}^{(2+)}\right]^{3}\left[\mathrm{PO}_{4}^{(3-)}\right]^{2}$

$\mathrm{K}_{\mathrm{sp}}=108\left[\mathrm{Zn}^{(2+)}\right]^{3}\left[\mathrm{PO}_{4}^{(3-)}\right]^{2}$

test tube

conical flask

beaker

procelaim basin

1 d-orbital

1 p-subshell

$3^{\text {rd }}$ shell

valence shell

$\mathrm{NaHCO}_{3}$

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

$\mathrm{NaCl}$

$\mathrm{NH}_{3}$