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  4. The fertilizer named Nitrolim is prepared by the use of

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Q. The fertilizer named Nitrolim is prepared by the use of

Punjab PMETPunjab PMET 2010

Solution:

'Nitrolim' is prepared by heating finely powdered $CaC _{2}$ with a little of $CaCl _{2}$ in the atmosphere of $N _{2}$ at $1000-1100^{\circ} C$, in an electric furnace
$CaC _{2}+ N _{2} \xrightarrow[{\left( CaCl _{2}\right)}]{1000-1100^{\circ} C }\underset{\text{nitrolim}}{\left[ CaCN _{2}+ C \right]}$