RRB Group D 22-Sep-2018 Shift 1 Solved Paper

Naphthalene is a solid that sublimes at standard atmospheric temperature with the sublim ation point at around $80\mathit{U}\mathit{U}\mathit{C}$ or $176\mathit{U}\mathit{U}\mathit{F}$ . Camphor and Ammonium Chloride are also sublime substances, whereas sodium sulphate is chemically stable substance. It does not decompose, even if heated, and it does not react with oxidizing or reducing agents at normal temperatures.