Mht CetThermodynamicsMHT CET 2026 15th April Evening ShiftMCQ+1 / -02026Find $\Delta n$ when 1 mol of each $\text{NH}_{3(g)}$ and $\text{HCl}_{(g)}$, reacts to form solid $\text{NH}_4\text{Cl}$.A$1$B$-2$C$-1$D$-3$Check AnswerClear SelectionReveal AnswerShow Explanation