• # question_answer Calcium cyanide on treatment with steam under pressure gives $N{{H}_{3}}$ and [DPMT 2002] A) $CaHC{{O}_{3}}$ B) $CaO$ C) $Ca{{(OH)}_{2}}$ D) $CaC{{O}_{3}}$

$CaC{{N}_{2}}+3{{H}_{2}}O\underset{\text{pressure}}{\mathop{\xrightarrow{\text{under}}}}\,CaC{{O}_{3}}+2N{{H}_{3}}$.