MCQ
Laughing gas is prepared by heating
  • $NH_4Cl + NaNO_3$
  • B
    $NH_4Cl$
  • C
    $NH_4NO_2$
  • D
    $Pb(NO_3)_2$

Answer

Correct option: A.
$NH_4Cl + NaNO_3$
a
$NH_4Cl + NaNO_3 \to NaCl + NH_4NO_3$

$N{H_4}N{O_3}\xrightarrow{\Delta }2{H_2}O + {N_2}O$ (Laughing gas)

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