Chemistry - Environmental Chemistry Question with Solution | TestHub

${\mathrm{HNO}}_3$ acts as dehydrating agent

dil. ${\mathrm{H}}_2{\mathrm{SO}}_4$ acts as oxidising agent under any concentration

Mixture of $\mathrm{NO}\&{\mathrm{NO}}_2$ gets condensed at $-30^{\circ }\mathrm{C}$ turning into blue liquid

${\mathrm{SO}}_2$ reduces (Bleaching) coloured flower in presence of alkaline medium