$A.$ $I _2( g ) \rightarrow 2 I ( g )$
$B.$ $HCl ( g ) \rightarrow H ( g )+ Cl ( g )$
$C.$ $H _2 O ( l ) \rightarrow H _2 O ( g )$
$D.$ $C ( s )+ O _2( g ) \rightarrow CO _2( g )$
$E.$ પાણીમાં એમોનિયમ કલોરાઈડનું વિલયન (ઓગળવું)
\(B \rightarrow\) Endothermic (Atomisation)
\(C \rightarrow\) Endothermic (Vapourisation)
\(D \rightarrow\) Exothermic (Combustion)
\(E \rightarrow\) Endothermic (Dissolution)